BLACKROCK NEW YORK INSURED MUNCIPAL 2008 TERM TRUST INC
N-30D, 1999-08-25
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- --------------------------------------------------------------------------------
           THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
                       SEMI-ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------


                                                                   July 31, 1999

Dear Shareholder:

    Since the Trust's last report,  interest rates rose sharply as U.S. economic
growth remained strong, labor markets tightened and international  markets began
to  recover.  In light of these  factors,  the  Federal  Reserve's  Open  Market
Committee increased short-term interest rates by 25 basis points in June, citing
a concern that inflation might start to accelerate.

    In tandem  with the Fed's  recent  rate  tightening,  BlackRock  has taken a
defensive interest rate stance. With the Treasury curve currently pricing in the
possibility  of another Fed  tightening  by year-end,  we believe that  interest
rates will trade in a relatively  narrow range until the economy  shows signs of
slowing.

    This report  contains  comments  from your Trust's  managers  regarding  the
markets  and  portfolio  in  addition  to  the  Trust's  semi-annual   financial
statements  and a detailed  portfolio  listing.  We thank you for your continued
investment in the Trust.


Sincerely,




/s/Laurence D. Fink                            /s/Ralph L. Schlosstein
- -------------------                            -----------------------
Laurence D. Fink                               Ralph L. Schlosstein
Chairman                                       President



                                        1


<PAGE>



                                                                   July 31, 1999

Dear Shareholder:

      We are pleased to present the  semi-annual  report for The  BlackRock  New
York Insured  Municipal  2008 Term Trust Inc.  ("the  Trust") for the six months
ended  June 30,  1999.  We would  like to take this  opportunity  to review  the
Trust's   stock  price  and  net  asset  value  (NAV)   performance,   summarize
developments in the fixed income markets and discuss recent portfolio management
activity.

      The Trust is a  non-diversified  closed-end  bond fund  whose  shares  are
traded on the New York  Stock  Exchange  under the  symbol  "BLN."  The  Trust's
investment  objective is to manage a portfolio of municipal debt securities that
will  return  $15 per share  (an  amount  equal to the  Trust's  initial  public
offering price) to investors on or about December 31, 2008, while providing high
current  income  exempt from regular  federal and New York State and City income
tax.  The Trust seeks to achieve  this  objective  by  investing  in high credit
quality ("AAA" or insured to "AAA") New York tax-exempt  general  obligation and
revenue bonds issued by city, county and state municipalities.

      The table below  summarizes the changes in the Trust's stock price and net
asset value over the past six months:

<TABLE>
<CAPTION>
                                      6/30/99      12/31/98        CHANGE          HIGH           LOW
<S>                                  <C>            <C>           <C>             <C>           <C>
  STOCK PRICE                        $15.4375       $16.6875      (7.49%)         $16.5625      $15.005
  NET ASSET VALUE (NAV)              $16.00         $16.74        (4.42%)         $16.94        $15.96
</TABLE>

THE FIXED INCOME MARKETS

      The past six months have witnessed  continued  rapid expansion of the U.S.
economy.  GDP growth for the second  quarter of 1999 is  estimated  at an annual
rate of 3.5%-4%,  far exceeding  the  historical  non-inflationary  level of 2%.
While  BlackRock  believes that growth may slow down in the second half of 1999,
we anticipate  GDP to remain above 3% for the year. In spite of strong  domestic
economic growth,  inflationary  forces continue to remain contained;  still, the
Federal  Reserve chose to raise its target for the federal funds rate from 4.75%
to 5.00% at its June meeting. The Fed cited an easing of financial strain, tight
labor markets and a firming of foreign economies in the release accompanying the
move. The Fed dropped its tightening bias to a neutral bias, which should reduce
the  likelihood  of  another  hike  at the  August  24th  meeting.  However,  an
additional  25-50 basis points of  tightening  by year end is  possible,  as the
combination  of a very strong  domestic  economy and an  improving  situation in
Europe and Japan may allow for tighter monetary policy.

      U.S. Treasury securities  dramatically reversed their fourth quarter gains
in the  first  half of 1999.  The  yield of the  10-Year  Treasury  posted a net
decline of 118 basis points (1.18%), beginning 1999 at 4.65% and closing on June
30, 1999 at 5.78%.  Strong  economic  numbers led the Federal Reserve to adopt a
tightening bias on May 18, 1999 and ultimately raised interest rates by 25 basis
points  on June 30,  1999.  The  Federal  Reserve  eased  rates by 0.75% in 1998
because of the  global  financial  crisis  but cited in their June 1999  meeting
"Since  then much of the  financial  strain has eased,  foreign  economies  have
firmed and economic  activity in the U.S. has moved forward at a brisk pace." We
anticipate Treasuries will trade in a relatively narrow range for the balance of
1999 unless the Fed takes further action.

      Municipal bonds  outperformed  the taxable domestic bond market during the
past six months,  returning  -0.90% (as measured by the LEHMAN  MUNICIPAL INDEX)
versus the LEHMAN AGGREGATE  INDEX'S -1.37% on a pre-tax basis.  Municipal bonds
continue to appear attractive  relative to Treasuries on a long-term  historical
basis,  and we believe  that reduced  Treasury  supply and  increased  crossover
activity  should keep ratios at higher  than  normal  levels.  Supply and demand
technicals  continue to improve in the  municipal  market as supply has declined
23% in the first half of 1999 from last year.



                                        2


<PAGE>



      Much of the drop in issuance can be  attributed to the plunge in refunding
supply,  which is down nearly 50% versus last year.  Retail  investors have been
adding municipals to their portfolios at an aggressive pace, which should result
in the second  consecutive  year of net  positive  cash flows into mutual  funds
after having  negative flows during the previous four years.  Due to the factors
mentioned  above,  we  believe   municipals   remain  a  compelling   investment
opportunity going forward.

      New  York  State's  economic  rebound   continues,   with  private  sector
employment  reaching an all time high,  surpassing  the record level attained in
June 1989. The State reported a General Fund operating  surplus of $1.56 billion
for fiscal 1998,  which  combined  with  previous  Local  Government  Assistance
Corporation  (LGAC)  bond  issuance,  eliminated  the  accumulated  deficit  and
provided an  accumulated  surplus of $567  million.  Current  estimates  for the
fiscal 1999 operating  surplus range from $1-2 billion.  Some concerns remain on
the horizon.  A growing  debt burden,  tax  reductions  that require  offsetting
expenditure cuts, the dependence on the financial services sector, and a failure
to build up reserves during the economic expansion are factors that could impact
the State's finances if the economy turns downward.  Another late budget and its
highly  politicized  process limit the upside  potential for the state's  credit
ratings.

      New York City's  economy is  projected  to  continue  to expand,  but at a
slower pace in 1999.  In 1998,  private  sector  employment  grew by 2.6%. As of
February 1999,  the city  recovered all of the employment  lost in the 1989-1992
recession.  Personal  income tax  collections  were up 13.7% for the first eight
months of the fiscal year. The State's  comptroller is projecting a $1.6 billion
budget surplus for fiscal 1999, following the unprecedented $2.1 billion surplus
in fiscal 1998. Like the State, the City has made substantial strides,  although
out-year budget gaps continue to be projected.

THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

      The Trust's portfolio is actively managed to diversify exposure to various
sectors,  issuers,  revenue sources and security types.  BlackRock's  investment
strategy  emphasizes  a  relative  value  approach,  which  allows  the Trust to
capitalize  upon  changing  market  conditions  by rotating  municipal  sectors,
credits  and  coupons.  Additionally,  the  Trust  emphasizes  securities  whose
maturity dates match the termination date of the Trust.  Trading activity in the
Trust  remained  low during the period,  as the market  prices of a  significant
portion of the  portfolio's  bonds are currently  above the prices at which they
were bought. A bond sold at a gain would result in the Trust realizing a capital
gain, which may require a taxable distribution. Since one of the Trust's primary
investment  objectives  is  to  pay  out  TAX-EXEMPT  income,  we  believe  that
restructuring  the portfolio in a higher interest rate  environment  remains the
most prudent strategy.

      Additionally,  the  Trust  employs  leverage  to  enhance  its  income  by
borrowing at  short-term  municipal  rates and  investing the proceeds in longer
maturity  issues  that have  higher  yields.  The  degree to which the Trust can
benefit  from its use of  leverage  may affect its  ability to pay high  monthly
income.  At the end of the semi-annual  period,  the Trust's leverage amount was
32% of total assets.  During the past six months,  the Trust's  borrowing  costs
have remained favorable.


                                        3


<PAGE>



      The  following  chart  compares the Trust's  current and December 31, 1998
asset composition:
- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
- --------------------------------------------------------------------------------
    SECTOR                                     JUNE 30, 1999   DECEMBER 31, 1998
- --------------------------------------------------------------------------------
    Transportation                                  28%               28%
- --------------------------------------------------------------------------------
    County, City & State                            21%               21%
- --------------------------------------------------------------------------------
    Water & Sewer                                   14%               14%
- --------------------------------------------------------------------------------
    Lease Revenue                                   13%               13%
- --------------------------------------------------------------------------------
    Hospital                                        10%               10%
- --------------------------------------------------------------------------------
    Housing                                         5%                5%
- --------------------------------------------------------------------------------
    Tax Revenue                                     4%                4%
- --------------------------------------------------------------------------------
    University                                      4%                4%
- --------------------------------------------------------------------------------
    Other                                           1%                1%
- --------------------------------------------------------------------------------

      We look forward to managing  the Trust to benefit  from the  opportunities
available in the fixed income markets and to meet its investment objectives.  We
thank you for your  investment in the BlackRock New York Insured  Municipal 2008
Term  Trust  Inc.  Please  feel free to contact  our  marketing  center at (800)
227-7BFM (7236) if you have specific  questions which were not addressed in this
report.


Sincerely,


/s/Robert S. Kapito                        /s/Kevin M. Klingert
- -------------------                        ---------------------
Robert S. Kapito                           Kevin M. Klingert
Vice Chairman and                          Managing Director and
Portfolio Manager                          Portfolio Manager
BlackRock Financial Management, Inc.       BlackRock Financial Management, Inc.


- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
- --------------------------------------------------------------------------------
   Symbol on New York Stock Exchange:                                BLN
- --------------------------------------------------------------------------------
   Initial Offering Date:                                    September 18, 1992
- --------------------------------------------------------------------------------
   Closing Stock Price as of 6/30/99:                              $15.4375
- --------------------------------------------------------------------------------
   Net Asset Value as of 6/30/99:                                  $16.00
- --------------------------------------------------------------------------------
   Yield on Closing Stock Price as of 6/30/99 ($15.4375)1:           5.54%
- --------------------------------------------------------------------------------
   Current Monthly Distribution per Common Share:2                  $0.07125
- --------------------------------------------------------------------------------
   Current Annualized Distribution per Common Share:2               $0.855
- --------------------------------------------------------------------------------




- ----------
1  Yield on Closing Stock Price is calculated by dividing the current annualized
   distribution per share by the closing stock price per share.
2  Distribution is not constant and is subject to change.

                                        4


<PAGE>


- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
PORTFOLIO OF INVESTMENTS JUNE 30, 1999 (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>


- ---------------------------------------------------------------------------------------------------------------------------
           PRINCIPAL                                                                            OPTION
            AMOUNT                                                                               CALL            VALUE
  RATING*    (000)                                 DESCRIPTION                                PROVISIONS+       (NOTE 1)
- ---------------------------------------------------------------------------------------------------------------------------
                     LONG-TERM INVESTMENTS--144.7%
                     NEW YORK--141.8%
<S>      <C>         <C>                                                                      <C>               <C>
   AAA   $ 1,075++   Babylon, G.O., Ser. A, 5.875%, 1/15/04, AMBAC, .....................          N/A          $ 1,154,765
   AAA       785     Erie Cnty., Ser. B, 5.70%, 5/15/08, MBIA ...........................     5/04 at 102           826,715
                     Met. Trans. Auth. Rev., MBIA,
   AAA     2,500        Commuter Fac., Ser. A, 6.10%, 7/01/08 ...........................     No Opt. Call        2,714,700
   AAA    26,075        Ser. K, 6.00%, 7/01/08 ..........................................     No Opt. Call       28,126,581
                     Mt. Sinai Union Free Sch. Dist. Rev., AMBAC,
   AAA       935        6.00%, 2/15/08 ..................................................     No Opt. Call        1,011,446
   AAA       930        6.10%, 2/15/09 ..................................................     No Opt. Call        1,014,239
   AAA     1,075        6.10%, 2/15/10 ..................................................     No Opt. Call        1,174,663
   AAA    10,500++   Mun. Asst. Corp., City of New York, Ser. A, 6.00%, 7/01/01, FGIC ...          N/A           10,743,915
   AAA     2,060++   Nassau Cnty. G.O., Ser. N, 6.125%, 10/15/02, AMBAC .................          N/A            2,228,160
                     New York City, G.O.,
   AAA     6,100++      Ser. B, 6.25%, 10/01/02, FSA ....................................          N/A            6,540,786
   AAA     3,900        Ser. B, 6.25%, 10/01/08, FSA ....................................    10/02 at 101.5       4,131,933
   AAA       940++      Ser. C, 6.00%, 8/01/02, AMBAC ...................................          N/A              998,675
   AAA     4,560        Ser. C, 6.00%, 8/01/09, AMBAC ...................................     8/02 at 101.5       4,762,738
   AAA     4,155++      Ser. C-1, 6.25%, 8/01/02, FSA ...................................          N/A            4,450,130
   AAA        60        Ser. C-1, 6.25%, 8/01/10, FSA ...................................     8/02 at 101.5          63,161
   AAA     4,950++      Ser. C-1, 6.375%, 8/01/02, MBIA .................................          N/A            5,319,220
   AAA        50        Ser. C-1, 6.375%, 8/01/08, MBIA .................................     8/02 at 101.5          53,045
   AAA       170++      Ser. D, 5.75%, 8/15/03, MBIA ....................................          N/A              180,994
   AAA     2,830        Ser. D, 5.75%, 8/15/07, MBIA ....................................     8/03 at 101.5       2,967,962
   AAA     6,895        Ser. E, 6.20%, 8/01/08, MBIA ....................................     No Opt. Call        7,520,308
                     New York City Hlth. & Hosp. Corp. Rev.,
   AAA     6,000++      5.60%, 2/15/03, CONNIE LEE ......................................          N/A            6,350,400
   AAA     2,750        Ser. A, 6.00%, 2/15/07, CAPMAC ..................................      2/03 at 102        2,909,967
                     New York City Mun. Wtr. Fin. Auth. Rev., Wtr. & Swr.
   AAA    11,500        Sys., Ser. A, Zero Coupon, 6/15/09, MBIA ........................     No Opt. Call        6,983,145
   AAA     2,000        5.50%, 6/15/11, AMBAC ...........................................     6/02 at 101.5       2,065,480
   AAA     1,710        6.00%, 6/15/08, FGIC ............................................     No Opt. Call        1,843,961
   AAA    11,560        6.15%, 6/15/07, FGIC ............................................     6/02 at 101.5      12,202,274
                     New York St., G.O., AMBAC,
   AAA     1,000        5.50%, 6/15/09 ..................................................      6/03 at 102        1,029,840
   AAA     4,030++      6.75%, 8/01/01 ..................................................          N/A            4,317,944
                     New York St. Dorm. Auth. Rev.,
   AAA     3,150++      City Univ., 6.125%, 7/01/04, AMBAC ..............................          N/A            3,434,193
   AAA     5,375        New York Univ., 6.25%, 7/01/09, FGIC ............................      7/01 at 102        5,633,376
   AAA     1,600        St. Univ. Ed. Fac., 5.50%, 5/15/07, FGIC ........................     No Opt. Call        1,671,568
   AAA     2,500        St. Univ. Ed. Fac., Ser. A, 5.50%, 5/15/08, AMBAC ...............     No Opt. Call        2,605,275
   AAA     6,000        St. Univ. Ed. Fac., Ser. A, 5.50%, 5/15/08, CONNIE LEE ..........     No Opt. Call        6,252,660
   AAA     5,000        St. Univ. Ed. Fac., Ser. A, 5.50%, 5/15/08, FGIC ................     No Opt. Call        5,210,550
   AAA     5,000        St. Univ. Ed. Fac., Ser. A, 5.50%, 5/15/09, AMBAC ...............     No Opt. Call        5,201,950
   AAA     1,800        Union Coll., 5.75%, 7/01/10, FGIC ...............................      7/02 at 102        1,861,470
   AAA       500        W K Nursing Home, 5.65%, 8/01/09, FHA ...........................      8/06 at 102          515,825
   AAA     5,000     New York St. Environ. Fac. Corp., P.C.R., Ser. D, 6.60%, 5/15/08 ...     11/04 at 102        5,524,250
                     New York St. Hsg. Fin. Agcy. Rev.,
   AAA     1,985        Hsg. Proj. Mtge., Ser. A, 5.80%, 5/01/09, FSA ...................      5/06 at 102        2,092,170
   AAA     4,910        Hsg. Proj. Mtge., Ser. A, 5.80%, 11/01/09, FSA ..................      5/06 at 102        5,139,346
   AAA     4,565        Multifamily Mtge. Hsg., Ser. C, 6.30%, 8/15/08, FHA .............      8/02 at 102        4,834,153
                     New York St. Med. Care Fac. Fin. Agcy. Rev.,
   AAA     3,000        Mental Hlth. Fac., 5.25%, 8/15/07, FGIC .........................      2/04 at 102        3,090,630
   AAA       540        Mental Hlth. Svcs. Impvt., Ser. D, 6.00%, 8/15/08, AMBAC ........      8/02 at 102          568,755
   AAA     5,650++      Mental Hlth. Svcs. Impvt., Ser. D, 6.00%, 8/15/02, AMBAC ........          N/A            6,039,059
   AAA     5,000++      New York Hosp., Ser. A, 6.50%, 2/15/05, AMBAC ...................          N/A            5,555,250
   AAA       250     New York St. Pwr. Auth. Rev., Ser. CC, 5.125%, 1/01/11, MBIA .......     No Opt. Call          252,050
</TABLE>

                       See Notes to Financial Statements.

                                        5


<PAGE>


<TABLE>
<CAPTION>

- ---------------------------------------------------------------------------------------------------------------------------
           PRINCIPAL                                                                            OPTION
            AMOUNT                                                                               CALL            VALUE
  RATING*    (000)                                 DESCRIPTION                                PROVISIONS+       (NOTE 1)
- ---------------------------------------------------------------------------------------------------------------------------
<S>      <C>         <C>                                                                      <C>               <C>
                     New York St. Thruway Auth. Rev.,
   AAA   $10,060++      Ser. A, 5.875%, 1/01/02, FGIC ...................................          N/A         $ 10,615,689
   AAA     5,000++      Hwy. & Brdg. Trust Fund, Ser. A, 5.625%, 4/01/04, AMBAC .........          N/A            5,329,200
   AAA     1,000++      Hwy. & Brdg. Trust Fund, Ser. B, 6.00%, 4/01/04, FGIC ...........          N/A            1,081,690
   AAA     6,940++      Service Contract, 5.75%, 4/01/04, MBIA ..........................          N/A            7,433,573
                     New York St. Urban Dev. Corp. Rev., Correctional Fac.,
   AAA     1,750        5.625%, 1/01/07, AMBAC ..........................................      1/03 at 102        1,834,770
   AAA     1,460        5.625%, 1/01/07, FSA ............................................      1/03 at 102        1,527,116
   AAA     2,000        Ser. A, 5.50%, 1/01/09, AMBAC ...................................     No Opt. Call        2,078,420
   AAA     2,055++   Port Auth. of New York & New Jersey,
                       Seventy-Second Ser., 7.40%, 10/01/02, AMBAC ......................          N/A            2,268,515
                     Suffolk Cnty. G.O., FGIC,
   AAA       620        Ser. B, 6.00%, 5/01/07 ..........................................      5/02 at 102          652,891
   AAA       615        Ser. B, 6.05%, 5/01/08 ..........................................      5/02 a t102          647,595
   AAA       465        Ser. C, 6.00%, 6/15/07 ..........................................      6/02 at 102          494,420
   AAA       430        Ser. C, 6.05%, 6/15/08 ..........................................      6/02 at 102          457,172
   AAA     5,000     Suffolk Cnty. Ind. Dev. Agcy. Rev., Southwest,
                        6.00%, 2/01/08, FGIC ............................................     No Opt. Call        5,378,300
                     Suffolk Cnty. Wtr. Auth. Rev., Ser. C, AMBAC,
   AAA     1,285++      5.75%, 6/01/02 ..................................................          N/A            1,360,892
   AAA     1,675        5.75%, 6/01/08 ..................................................      6/02 at 102        1,748,147
                     Triborough Brdg. & Tunl. Auth. Rev.,
   AAA     6,470++      6.20%, 1/01/02, FGIC ............................................          N/A            6,856,777
   AAA     1,640        6.20%, 1/01/08, FGIC ............................................     1/02 at 101.5       1,719,392
   AAA     5,185++      6.25%, 1/01/02, AMBAC ...........................................          N/A            5,501,026
   AAA     1,315        6.25%, 1/01/12, AMBAC ...........................................     1/02 at 101.5       1,387,167
   AAA     7,500        Ser. X, 6.00%, 1/01/07, AMBAC ...................................     No Opt. Call        7,754,625
                                                                                                                -----------
                                                                                                                255,297,054
                                                                                                                -----------
                     PUERTO RICO--2.9%
   AAA     5,000     Puerto Rico Comnwlth. Pub. Impvt., 6.25%, 7/01/10, FSA .............    7/02 at 101.5        5,294,600
                                                                                                                -----------
                     TOTAL LONG-TERM INVESTMENTS (COST $242,237,719)                                            260,591,654
                                                                                                                -----------

                     SHORT-TERM INVESTMENT** -- 0.1%
  A-1+       150     New York City Mun. Wtr. Fin. Auth. Rev., Ser. G, 3.40%,
                         7/01/99, FRDD (cost $150,000) ..................................          N/A              150,000
                                                                                                                -----------

                     TOTAL INVESTMENTS -- 144.8% (COST $242,387,719) ....................                       260,741,654
                     Other assets in excess of liabilitiees--2.7% .......................                         4,868,291
                     Liquidation value of preferred stock --(47.5)% .....................                       (85,500,000)
                                                                                                               ------------
                     NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS--100% .................                      $180,109,945
                                                                                                               ============
</TABLE>

- ----------
 * Using the higher of Standard & Poor's, Moody's or Fitch's rating.
** For  purposes  of  amortized  cost  valuation,  the  maturity  date of  these
   instruments  is  considered  to be the  earlier of the next date on which the
   security  can be  redeemed  at par,  or the next  date on  which  the rate of
   interest is adjusted.
+  Option call provisions:  date (month/year) and price of the earliest optional
   call or redemption.  There may be other call  provisions at varying prices at
   later dates.
++ This bond is prerefunded. See glossary for definition.


- --------------------------------------------------------------------------------
         THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:


  AMBAC--American Municipal Bond Assurance Corporation
  CAPMAC--Capital Markets Assurance Corporation
  CONNIE LEE--College Construction Loan Insurance Association
  FGIC--Financial Guaranty Insurance Company
  FHA--Federal Housing Administration
  FRDD--Floating Rate Daily Demand**
  FSA--Financial Security Assurance
  G.O.--General Obligation Bond
  MBIA--Municipal Bond Insurance Association
  P.C.R.--Pollution Control Revenue
- --------------------------------------------------------------------------------

                       See Notes to Financial Statements.

                                        6


<PAGE>






- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INSURED
MUNICIPAL 2008 TERM TRUST INC.
STATEMENT OF ASSETS AND LIABILITIES
JUNE 30, 1999 (UNAUDITED)
- --------------------------------------------------------------------------------

ASSETS
Investments, at value (cost $242,387,719)
  (Note 1) ...............................................        $ 260,741,654
Cash .....................................................               10,500
Interest receivable ......................................            5,097,666
Other assets .............................................               11,144
                                                                  -------------
                                                                    265,860,964
                                                                  -------------
LIABILITIES
Investment advisory fee payable (Note 2) .................               78,608
Dividends payable--preferred stock .......................               53,769
Administration fee payable (Note 2) ......................               22,459
Other accrued expenses ...................................               96,183
                                                                  -------------
                                                                        251,019
                                                                  -------------
NET INVESTMENT ASSETS ....................................        $ 265,609,945
                                                                  =============
Net investment assets were comprised of:
  Common stock:
    Par value (Note 4) ...................................        $     112,571
    Paid-in capital in excess of par .....................          156,370,725
  Preferred stock (Note 4) ...............................           85,500,000
                                                                  -------------
                                                                    241,983,296

  Undistributed net investment income ....................            5,321,650
  Accumulated net realized loss ..........................              (48,936)
  Net unrealized appreciation ............................           18,353,935
                                                                  -------------
  Net investment assets, June 30, 1999 ...................        $ 265,609,945
                                                                  =============
  Net assets applicable to common
    shareholders .........................................        $ 180,109,945
                                                                  =============
Net asset value per common share:
  ($180,109,945 / 11,257,093 shares of
  common stock issued and outstanding) ...................              $ 16.00
                                                                        =======

- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INSURED
MUNICIPAL 2008 TERM TRUST INC.
STATEMENT OF OPERATIONS
SIX MONTHS ENDED JUNE 30, 1999 (UNAUDITED)
- --------------------------------------------------------------------------------


NET INVESTMENT INCOME
Income
  Interest and discount earned .............................        $ 7,425,743
                                                                    -----------
Operating expenses
  Investment advisory ......................................            476,330
  Administration ...........................................            136,094
  Auction agent ............................................            106,000
  Custodian ................................................             43,500
  Reports to shareholders ..................................             29,000
  Directors ................................................             22,000
  Audit ....................................................             15,000
  Transfer agent ...........................................             11,000
  Legal ....................................................              5,500
  Miscellaneous ............................................             40,074
                                                                    -----------
    Total expenses .........................................            884,498
                                                                    -----------
Net investment income ......................................          6,541,245
                                                                    -----------

UNREALIZED LOSS ON
INVESTMENTS (NOTE 3)
  Net change in unrealized appreciation on
    investments ............................................         (8,790,063)
                                                                    -----------

NET DECREASE IN NET INVESTMENT
ASSETS RESULTING FROM OPERATIONS ...........................        $(2,248,818)
                                                                    ===========


See Notes to Financial Statements.

                                        7


<PAGE>






- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
STATEMENTS OF CHANGES IN NET INVESTMENT ASSETS (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                                                  SIX MONTHS ENDED       YEAR ENDED
                                                                                      JUNE 30,          DECEMBER 31,
                                                                                        1999                1998
                                                                                  ---------------       -------------
INCREASE (DECREASE) IN NET INVESTMENT ASSETS

OPERATIONS:
<S>                                                                                 <C>                 <C>
  Net investment income .......................................................     $ 6,541,245         $ 13,113,651
  Net change in unrealized appreciation on investments ........................      (8,790,063)           1,661,651
                                                                                  -------------        -------------
  Net increase (decrease) in net investment assets resulting from operations ..      (2,248,818)          14,775,302
                                                                                  -------------        -------------
DIVIDENDS:
  To common shareholders from net investment income ...........................      (4,812,274)          (9,624,574)
  To preferred shareholders from net investment income ........................      (1,222,854)          (2,822,971)
                                                                                  -------------        -------------
     Total dividends ..........................................................      (6,035,128)         (12,447,545)
                                                                                  -------------        -------------
          Total increase (decrease) ...........................................      (8,283,946)           2,327,757
                                                                                  -------------        -------------

NET INVESTMENT ASSETS

Beginning of period ...........................................................     273,893,891          271,566,134
                                                                                  -------------        -------------
END OF PERIOD .................................................................    $265,609,945         $273,893,891
                                                                                  =============        =============
</TABLE>

                        See Notes to Financial Statements

                                        8

<PAGE>


- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
FINANCIAL HIGHLIGHTS (UNAUDITED)
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>

                                                SIX MONTHS ENDED                         YEAR ENDED DECEMBER 31,
                                                    JUNE 30,        --------------------------------------------------------------
                                                     1999              1998         1997          1996         1995         1994
                                                   ---------         --------     --------      --------     --------     --------
PER COMMON SHARE OPERATING
  PERFORMANCE:
<S>                                                <C>               <C>          <C>          <C>          <C>          <C>
Net asset value, beginning of the period ....      $   16.74         $   16.53    $   15.76    $   16.11    $   13.77    $   16.19
                                                   ---------         ---------    ---------    ---------    ---------    ---------
  Net investment income .....................           0.58              1.16         1.16         1.15         1.15         1.14
  Net realized and
    unrealized gain (loss) on
    investments .............................          (0.78)             0.15         0.73        (0.33)        2.33        (2.49)
                                                   ---------         ---------    ---------    ---------    ---------    ---------
Net increase (decrease)
    from investment operations ..............          (0.20)             1.31         1.89         0.82         3.48        (1.35)
                                                   ---------         ---------    ---------    ---------    ---------    ---------
Dividends and distributions:
  Dividends from net
   investment income to:
    Common shareholders .....................          (0.43)            (0.85)       (0.86)       (0.85)       (0.85)       (0.86)
    Preferred shareholders ..................          (0.11)            (0.25)       (0.26)       (0.25)       (0.29)       (0.21)
  Distributions from net realized
   gain on investments to:
    Common shareholders .....................             --                --         **          (0.05)     --           --
    Preferred shareholders ..................             --                --         **          (0.02)     --           --
  Distributions in excess of net
    realized gain on
    investments to:
    Common shareholders .....................             --                --           --           --           **           **
    Preferred shareholders ..................             --                --           --           --           **           **
                                                   ---------         ---------    ---------    ---------    ---------    ---------
Total dividends and distributions ...........          (0.54)            (1.10)       (1.12)       (1.17)       (1.14)       (1.07)
                                                   ---------         ---------    ---------    ---------    ---------    ---------
Net asset value, end of period* .............      $   16.00         $   16.74    $   16.53    $   15.76    $   16.11    $   13.77
                                                   =========         =========    =========    =========    =========    =========
Market value, end of period* ................      $   15.44         $   16.69    $   15.88    $   15.13    $   14.63    $   12.50
                                                   =========         =========    =========    =========    =========    =========
TOTAL INVESTMENT RETURN+ ....................          (4.97%)           10.76%       10.93%        9.60%       24.19%      (11.35%)
                                                   =========         =========    =========    =========    =========    =========
RATIOS TO AVERAGE NET ASSETS OF
  COMMON SHAREHOLDERS:++
Expenses ....................................           0.96%+++          0.92%        0.98%        1.03%        1.05%        1.08%
Net investment income before preferred stock
  dividends .................................           7.07%+++          7.03%        7.26%        7.36%        7.54%        7.80%
Preferred stock dividends ...................           1.32%+++          1.51%        1.64%        1.70%        1.87%        1.46%
Net investment income available to common
  shareholders ..............................           5.75%+++          5.52%        5.62%        5.66%        5.67%        6.34%
SUPPLEMENTAL DATA:
Average net assets of common shareholders
  (in thousands) ............................       $186,510          $186,451     $179,797     $176,229     $172,037     $164,792
Portfolio turnover ..........................              0%                0%           2%          10%          12%          50%
Net assets of common shareholders,
   end of period  (in thousands) ............       $180,110          $188,394     $186,066     $177,371     $181,380     $155,064
Preferred stock outstanding (in thousands) ..       $ 85,500          $ 85,500     $ 85,500     $ 85,500     $ 85,500     $ 85,500
Asset coverage per share of preferred
   stock, end of period #                           $ 77,664          $ 80,086     $ 79,406     $ 76,863     $ 78,035     $140,681
</TABLE>

- ----------
  *  Net asset value and market value are published in BARRON'S  each  Saturday,
     THE NEW YORK TIMES and THE WALLSTREET JOURNAL each Monday.
 **  Actual  amount paid to preferred  shareholders  was  $0.0003,  $0.00041 and
     $0.00054 per common share for the years ended  December 31, 1997,  1995 and
     1994,  respectively,  and to common shareholders actual amount was $0.0011,
     $0.0012 and $0.0025 per common share for the years ended December 31, 1997,
     1995 and 1994,  respectively.  # A stock  split  occurred  on July 24, 1995
     (Note 4).
  +  Total investment  return is calculated  assuming a purchase of common stock
     at the  current  market  price on the first  day and a sale at the  current
     market  price  on the  last  day of each  period  reported.  Dividends  and
     distributions,  if any, are assumed for purposes of this calculation, to be
     reinvested at prices obtained under the Trust's dividend reinvestment plan.
     Total  investment  return does not  reflect  brokerage  commissions.  Total
     investment returns for periods of less than one year are not annualized.
 ++  Ratios are  calculated  on the basis of income and expenses  applicable  to
     both the  common and  preferred  shares,  and  preferred  stock  dividends,
     relative to the average net assets of common shareholders.
+++  Annualized

The information above represents the unaudited operating  performance data for a
share of common stock outstanding,  total investment  return,  ratios to average
net  assets  and  other  supplemental  data  for  the  periods  indicated.  This
information has been determined based upon financial information provided in the
financial statements and market value data for Trust's shares.

                       See Notes to Financial Statements.

                                        9


<PAGE>




- --------------------------------------------------------------------------------
THE BLACKROCK NEW YORK INSURED
MUNICIPAL 2008 TERM TRUST INC.
NOTES TOFINANCIAL STATEMENTS (UNAUDITED)
- --------------------------------------------------------------------------------


NOTE 1. ORGANIZATION & ACCOUNTING POLICIES

     The  BlackRock  New York  Insured  Municipal  2008  Term  Trust  Inc.  (the
"Trust"),  was  organized  in  Maryland  on August 7, 1992 as a  non-diversified
closed-end management investment company. The Trust's investment objective is to
manage a portfolio of high quality  securities that will return $15 per share to
investors on or about  December 31, 2008 while  providing  current income exempt
from regular federal, New York State and New York City income taxes. The ability
of issuers of debt securities held by the Trust to meet their obligations may be
affected by economic  developments in the state, a specific  industry or region.
No  assurance  can be  given  that  the  Trust's  investment  objective  will be
achieved.

     The following is a summary of significant  accounting  policies followed by
the Trust.

SECURITIES VALUATION:  Municipal securities  (including  commitments to purchase
such  securities  on a  "when-issued"  basis)  are valued on the basis of prices
provided  by  a  pricing  service  which  uses   information   with  respect  to
transactions  in bonds,  quotations  from bond dealers,  market  transactions in
comparable   securities  and  various   relationships   between   securities  in
determining values. Any securities or other assets for which such current market
quotations  are not readily  available are valued at fair value as determined in
good faith under procedures established by and under the general supervision and
responsibility of the Trust's Board of Directors.

     Short-term  securities  which  mature  in more  than 60 days are  valued at
current market quotations. Short-term securities which mature in 60 days or less
are valued at amortized cost, if their term to maturity from date of purchase is
60 days or less, or by amortizing their value on the 61st day prior to maturity,
if their original term to maturity from date of purchase exceeded 60 days.

SECURITIES  TRANSACTIONS  AND INVESTMENT  INCOME:  Securities  transactions  are
recorded  on the trade  date.  Realized  and  unrealized  gains and  losses  are
calculated  on the  identified  cost basis.  Interest  income is recorded on the
accrual  basis and the Trust  amortizes  premium  and  accretes  original  issue
discount on securities purchased using the interest method.

FEDERAL  INCOME  TAXES:  It is the  Trust's  intention  to  continue to meet the
requirements  of the Internal  Revenue Code  applicable to regulated  investment
companies  and to distribute  sufficient  net income to  shareholders.  For this
reason and because  substantially  all of the Trust's  gross income  consists of
tax-exempt interest, no federal income tax provision is required.

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions to common  shareholders  monthly from net investment  income,  net
realized short-term capital gains and other sources, if necessary. Net long-term
capital  gains,  if any,  in excess  of loss  carryforwards  may be  distributed
annually.  Dividends and  distributions  are recorded on the  ex-dividend  date.
Dividends and distributions to preferred shareholders are accrued and determined
as described in Note 4.

ESTIMATES:  The preparation of financial statements in conformity with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  affect the  reported  amounts of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting  period.  Actual  results could differ from those  estimates.

NOTE 2. AGREEMENTS

     The Trust has an Investment  Advisory  Agreement with  BlackRock  Financial
Management,  Inc.  (the  "Adviser"),  a  wholly-owned  corporate  subsidiary  of
BlackRock  Advisors,  Inc.,  which is an indirect  majority-owned  subsidiary of
PNCBank,  N.A., and an Administration  Agreement with Princeton  Administrators,
L.P. (the "Administrator"), an indirect wholly-owned subsidiary of Merrill Lynch
& Co., Inc.

   The  investment  advisory  fee paid to the  Adviser  is  computed  weekly and
payable  monthly at an annual  rate of 0.35% of the Trust's  average  weekly net
investment  assets.  The  administration  fee paid to the  Administrator is also
computed  weekly and  payable  monthly at an annual rate of 0.10% of the Trust's
average weekly net investment assets.

   Pursuant to the agreements,  the Adviser provides  continuous  supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are  affiliated  persons of the Adviser.  The  Administrator  pays occupancy and
certain  clerical and accounting  costs of the Trust.  The Trust bears all other
costs and expenses.

  NOTE 3.  PORTFOLIO SECURITIES

     There were no purchases and sales of investment securities,  other than for
short-term investments, for the period ended June 30, 1999.

     The federal  income tax basis of the Trust's  investments at June 30, 1999,
was  $242,436,655,  and accordingly,  gross and net unrealized  appreciation was
$18,304,999.

                                       10


<PAGE>




NOTE 4. CAPITAL

     There are 200 million shares of $.01 par value common stock authorized.  Of
the  11,257,093  common shares  outstanding  at June 30, 1999, the Adviser owned
7,093 shares. As of June 30, 1999, there were 3,420 preferred shares outstanding
as follows: Series F28-1,710 and Series F7-1,710.

     The Trust may classify or  reclassify  any unissued  shares of common stock
into one or more series of preferred  stock.  On November  23,  1992,  the Trust
reclassified  1,710 shares of common stock and issued 2 series of Auction Market
Preferred Stock ("Preferred Stock") as follows:  Series F28--855 shares,  Series
F7--855 shares. The Preferred Stock has a liquidation value of $25,000 per share
plus any accumulated but unpaid dividends. On May 16, 1995 shareholders approved
a proposal to split each share of the Trust's  Auction  Market  Preferred  Stock
into two shares and simultaneously  reduce each share's  liquidation  preference
from $50,000 to $25,000 plus any  accumulated  but unpaid  dividends.  The stock
split occurred on July 24, 1995.

     Dividends on Series F7 are cumulative at a rate which is reset every 7 days
based on the results of an auction.  Dividends on Series F28 are also cumulative
at a rate  which is reset  every 28 days  based on the  results  of an  auction.
Dividend rates ranged from 2.00% to 4.75% during the period ended June 30, 1999.

     The Trust may not declare  dividends or make other  distributions on shares
of common stock or purchase any such shares if, at the time of the  declaration,
distribution  or  purchase,  asset  coverage  with  respect  to the  outstanding
Preferred Stock would be less than 200%.

     The Preferred  Stock is redeemable at the option of the Trust,  in whole or
in part, on any dividend  payment date at $25,000 per share plus any accumulated
or unpaid dividends whether or not declared. The Preferred Stock is also subject
to  mandatory  redemption  at $25,000 per share plus any  accumulated  or unpaid
dividends,  whether or not  declared  if certain  requirements  relating  to the
composition  of the  assets  and  liabilities  of the  Trust as set forth in the
Articles of Incorporation are not satisfied.

     The holders of Preferred  Stock have voting  rights equal to the holders of
common stock (one vote per share) and will vote  together with holders of shares
of common stock as a single class. However,  holders of Preferred Stock are also
entitled to elect two of the Trust's  directors.  In  addition,  the  Investment
Company Act of 1940 requires that along with approval by stockholders that might
otherwise  be  required,  the  approval  of the  holders  of a  majority  of any
outstanding  preferred shares, voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the Preferred
Stock, and (b) take any action requiring a vote of security holders,  including,
among other  things,  changes in the Trust's  subclassification  as a closed-end
investment company or changes in its fundamental investment restrictions.

NOTE 5.  DIVIDENDS

     Subsequent to June 30, 1999, the Board of Directors of the Trust declared a
dividend from  undistributed  earnings of $0.07125 per common share payable July
30, 1999 to shareholders of record on July 15, 1999.

     For the  period  July 1,  1999 to July  31,  1999,  dividends  declared  on
Preferred Stock totalled $213,920 in aggregate for the two outstanding Preferred
Stock series.

                                       11


<PAGE>



- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
                            DIVIDENDREINVESTMENTPLAN
- --------------------------------------------------------------------------------

   Pursuant to the Trust's Dividend Reinvestment Plan (the "Plan"), shareholders
may elect to have all distributions of dividends and capital gains reinvested by
State Street Bank and Trust Company (the "Plan Agent") in Trust shares  pursuant
to the Plan.  Shareholders  who do not  participate in the Plan will receive all
distributions  in cash paid by check in United States dollars mailed directly to
the shareholders of record (or if the shares are held in street or other nominee
name, then to the nominee) by the transfer agent, as dividend disbursing agent.

   The Plan Agent  serves as agent for the  shareholders  in  administering  the
Plan.  After the Trust  declares a dividend or determines to make a capital gain
distribution,  the Plan Agent will, as agent for the  participants,  receive the
cash  payment and use it to buy Trust  shares in the open market on the New York
Stock Exchange or elsewhere for the participants'  accounts.  The Trust will not
issue any new shares under the Plan.

   Participants  in the Plan may withdraw  from the Plan upon written  notice to
the Plan Agent and will receive  certificates  for whole Trust shares and a cash
payment for any fraction of a Trust share.

   The Plan Agent's fees for the handling of the  reinvestment  of dividends and
distributions  will be paid by the Trust.  However,  each participant will pay a
pro rata  share of  brokerage  commissions  incurred  with  respect  to the Plan
Agent's open market  purchases in connection with the  reinvestment of dividends
and  distributions.  The automatic  reinvestment of dividends and  distributions
will not relieve  participants  of any federal income tax that may be payable on
such dividends or distributions.

   The Trust reserves the right to amend or terminate the Plan as applied to any
dividend or distribution paid subsequent to written notice of the change sent to
all  shareholders  of the Trust at least 90 days  before the record date for the
dividend or distribution. The Plan also may be amended or terminated by the Plan
Agent upon at least 90 days' written  notice to all  shareholders  of the Trust.
All  correspondence  concerning the Plan should be directed to the Plan Agent at
(800) 699-1BFM. The address is on the front of this report.

                                       12


<PAGE>



- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
                             ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

   YEAR 2000  READINESS  DISCLOSURE.  The Trust is  currently  in the process of
evaluating its information  technology  infrastructure for Year 2000 compliance.
Substantially  all  of the  Trust's  information  systems  are  supplied  by the
Adviser.  The  Adviser has  advised  the Trust that it is  currently  evaluating
whether such systems are year 2000  compliant and that it expects to incur costs
of up to approximately five hundred thousand dollars to complete such evaluation
and to make any modifications to its systems as may be necessary to achieve Year
2000 compliance.  The Adviser has advised the Trust that it has fully tested its
systems for Year 2000 compliance. The Trust may be required to bear a portion of
such cost  incurred by the Adviser in this  regard.  The Adviser has advised the
Trust that it does not anticipate  any material  disruption in the operations of
the  Trust as a result  of any  failure  by the  Adviser  to  achieve  Year 2000
compliance.  There can be no assurance that the costs will not exceed the amount
referred  to  above or that  the  Trust  will not  experience  a  disruption  in
operations.

   The Adviser has advised the Trust that it is in the process of evaluating the
Year 2000  compliance  of various  suppliers  of the Adviser and the Trust.  The
Adviser has advised the Trust that it has  communicated  with such  suppliers to
determine their Year 2000 compliance  status and the extent to which the Adviser
or the Trust could be affected by any supplier's Year 2000 compliance issues. To
date, the Adviser has received responses from all such suppliers with respect to
their Year 2000  compliance,  and there can be no assurance  that the systems of
such suppliers, who are beyond the Trust's control, will be Year 2000 compliant.
In the event that any of the Trust's  significant  suppliers do not successfully
and timely  achieve Year 2000  compliance,  the Trust's  business or  operations
could be adversely affected. The Adviser has advised the Trust that it is in the
process  of  preparing  a  contingency  plan for  Year  2000  compliance  by its
suppliers.  There  can be no  assurance  that  such  contingency  plan  will  be
successful in preventing a disruption of the Trust's operations.

   The  Trust  is  designating  this  disclosure  as  its  Year  2000  readiness
disclosure  for all  purposes  under the Year  2000  Information  and  Readiness
Disclosure  Act and the  foregoing  information  shall  constitute  a Year  2000
statement for purposes of that Act.

     ANNUAL MEETING OF TRUST  SHAREHOLDERS.  There have been no material changes
in the Trust's investment  objectives or policies that have not been approved by
the  shareholders  or to its charter or by-laws or in the principal risk factors
associated  with  investment  in the  Trust.  There  have been no changes in the
persons who are  primarily  responsible  for the  day-to-day  management  of the
Trust's Portfolio.
     The Annual Meeting of Trust  Shareholders  was held May 19, 1999 to vote on
     the following matters:
     (1)  To elect three Directors as follows:

          DIRECTOR                        CLASS          TERM          EXPIRING
          --------                       ------          -----          -------
          Andrew F. Brimmer .........      III         3 years          2002
          Kent Dixon ................      III         3 years          2002
          Laurence D. Fink ..........      III         3 years          2002

          Directors  whose term of office  continues  beyond  this  meeting  are
          Richard E. Cavanagh,  James Grosfeld, Frank J. Fabozzi, James Clayburn
          La Force, Jr., Walter F. Mondale and Ralph L. Schlosstein.

     (2)  To ratify the selection of Deloitte & Touche LLP as independent public
          accountants of the Trust for the fiscal year ending December 31, 1999.

          Shareholders elected the three Directors and ratified the selection of
          Deloitte & Touche LLP. The results of the voting was as follows:

<TABLE>
<CAPTION>
                                            VOTES FOR      VOTES AGAINST    ABSTENTIONS
                                             --------      ------------     ----------
<S>                                         <C>              <C>              <C>
          Andrew F. Brimmer .........       10,140,685         --             135,229
          Kent Dixon ................       10,149,185         --             126,729
          Laurence D. Fink ..........       10,151,724         --             124,190
          Ratification of
            Deloitte & Touche LLP ...       10,102,541       67,218           106,155
</TABLE>


                                       13


<PAGE>



- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------
THE TRUST'S INVESTMENT OBJECTIVE

The BlackRock New York Insured Municipal 2008 TermTrust's  investment  objective
is to provide  current  income exempt from regular  federal income tax, New York
State and New  YorkCity  income tax,  and to  return$15  per share (the  initial
public offering price per share) to investors on or about December 31, 2008.

WHO MANAGES THE TRUST?

BlackRock  Financial  Management,   Inc.   ("BlackRock")  is  an  SEC-registered
investment  adviser.  BlackRock and its  affiliates  currently  manage over $141
billion  on behalf of  taxable  and  tax-exempt  clients  worldwide.  Strategies
include  fixed  income,  equity and cash and may  incorporate  both domestic and
international   securities.   Domestic  fixed  income  strategies   utilize  the
government,  mortgage,  corporate and municipal bond sectors.  BlackRock manages
twenty-one  closed end funds that are traded on either the New York or  American
stock exchanges,  and a $25 billion family of open-end funds.  BlackRock manages
over 470 accounts, domiciled in the United States and overseas.

WHAT CAN THE TRUST INVEST IN?

The Trust  intends to invest at least 80% of total  assets in a portfolio of New
York municipal  obligations  insured a timely payment of principal and interest.
The Trust may invest up to 20% in uninsured New York municipal  obligations were
rated Aaa by Moody's  or AAA by S&P or are  determined  by the  Adviser to be of
comparable credit quality (guaranteed, escrowed or backed in trust).

WHAT IS THE ADVISER'S INVESTMENT STRATEGY?

The Adviser will manage the assets of the Trust in  accordance  with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in municipal  debt  securities  that are  diversified  both  geographically  and
according to revenue source. As such, the Adviser actively manages the assets in
relation to market conditions and interest rate changes.  Depending on yield and
portfolio allocation considerations,  the Adviser may choose to invest a portion
of the Trust's  assets in  securities  which pay interest that is subject to AMT
(alternative minimum tax).

In addition to seeking the return of the  initial  offering  price,  the Adviser
also seeks to provide  current  income  exempt from federal  income tax New York
State and New YorkCity  income tax to  investors.  The  portfolio  managers will
attempt to achieve  this  objective  by  investing  in  securities  that provide
competitive  income. In addition,  leverage will be used (in an amount up to 35%
of the  total  assets)  to  enhance  the  income of the  portfolio.  In order to
maintain  competitive  yields as the Trust approaches  maturity and depending on
market  conditions,  the Adviser will attempt to purchase  securities  with call
protection  or  maturities  as close to the Trust's  maturity  date as possible.
Securities with call protection should provide the portfolio with some degree of
protection against  reinvestment risk during times of lower prevailing  interest
rates. Since the Trust's primary goal is to return the initial offering price at
maturity,  any cash that the Trust  receives  prior to its maturity date will be
reinvested in securities with maturities  which coincide with the remaining term
of  the  Trust.  Since  shorter-term   securities   typically  yield  less  than
longer-term  security  this  strategy  will  likely  result in a decline  in the
Trust's income over time. It is important to note that the Trust will be managed
so as to preserve the integrity of the return of the initial  offering price. If
market conditions, such as high interest rate volatility, force a choice between
current  income and  risking  the return of the initial  offering  price,  it is
likely that the return of the initial offering price will be emphasized.

HOW ARE THE TRUST'S  SHARES  PURCHASED  AND SOLD?  DOES THE TRUST PAY  DIVIDENDS
REGULARLY?

The  Trust's  shares are traded on the New York Stock  Exchange  which  provides
investors with  liquidity on a daily basis.  Orders to buy or sell shares of the
Trust must be placed through a registered broker or financial advisor. The Trust
pays monthly  dividends which are typically paid on the last business day of the
month. For shares held in the shareholder's name, dividends may be reinvested in
additional shares of the Trust through the Trust's transfer agent,  State Street
Bank and Trust Company. Investors who wish to hold shares in a brokerage account
should check with their financial  advisor to determine  whether their brokerage
firm offers dividend reinvestment services.

                                       14


<PAGE>




LEVERAGE CONSIDERATIONS IN A TERM TRUST

Under current  market  conditions,  leverage  increases the income earned by the
Trust.  The Trust employs leverage  primarily  through the issuance of preferred
stock.  Leverage  permits  the Trust to  borrow  money at  short-term  rates and
reinvest that money in longer-term  assets which typically offer higher interest
rates.  The  difference  between the cost of the  borrowed  funds and the income
earned on the proceeds that are invested in longer term assets is the benefit to
the Trust from  leverage.  In general,  the portfolio is typically  leveraged at
approximately 35% of total assets.

Leverage also increases the duration (or price  volatility of the net assets) of
the Trust,  which can improve the  performance  of the Trust in a declining rate
environment,  but can cause net  assets to decline  faster  than the market in a
rapidly rising rate environment.  BlackRock's  portfolio  managers  continuously
monitor and  regularly  review the  Trust's  use of  leverage  and the Trust may
reduce,  or unwind,  the amount of leverage  employed should BlackRock  consider
that reduction to be in the best interests of the shareholders.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO TERM TRUSTS

THE TRUST IS  INTENDED  TO BE A  LONG-TERM  INVESTMENT  AND IS NOT A  SHORT-TERM
TRADING VEHICLE.

RETURN OF INITIAL  INVESTMENT.  Although the objective of the Trust is to return
its initial offering price upon termination, there can be no assurance that this
objective will be achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to  decline  to some  extent  over the term of the Trust due to the  anticipated
shortening of the dollar-weighted average maturity of the Trust's assets.

LEVERAGE.  The Trust utilizes  leverage  through the issuance of preferred stock
which involves  special risks.  The Trust's net asset value and market value may
be more volatile due to its use of leverage.

MARKET PRICE OF SHARES.  The shares of closed-end  investment  companies such as
the Trust trade on the New York Stock  Exchange  (NYSE symbol:  BLN) and as such
are subject to supply and demand influences.  As a result, shares may trade at a
discount or a premium to their net asset value.

ILLIQUID  SECURITIES.  The Trust may  invest in  securities  that are  illiquid,
although  under current  market  conditions the Trust expects to do so to only a
limited extent. These securities involve special risks.

ANTITAKEOVER  PROVISIONS.  Certain antitakeover provisions will make a change in
the Trust's  business or management  more difficult  without the approval of the
Trust's Board of Directors and may have the effect of depriving  shareholders of
an  opportunity  to sell their shares at a premium above the  prevailing  market
price.

MUNICIPAL OBLIGATIONS.  Municipal obligations include debt obligations issued by
states,  cities, and local authorities,  and possessions and certain territories
of the United States to obtain funds for various public purposes,  including the
construction of public  facilities,  the refinancing of outstanding  obligations
and the obtaining of funds for general operating expenses and for loans to other
public  institutions  and  facilities.  The value of municipal  debt  securities
generally  varies  inversely with changes in prevailing  market  interest rates.
Depending  on the amount of call  protection  that the  securities  in the Trust
have, the Trust may be subject to certain  reinvestment risks in environments of
declining interest rates.

ALTERNATIVE  MINIMUM TAX (AMT).  The Trust may invest in  securities  subject to
AMT. The Trust currently holds no securities that are subject to AMT.

                                       15


<PAGE>



- --------------------------------------------------------------------------------
          THE BLACKROCK NEW YORK INSURED MUNICIPAL 2008 TERM TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------

CLOSED-END FUND:           Investment  vehicle  which  initially  offers a fixed
                           number of shares and trades on a stock exchange.  The
                           fund  invests  in  a  portfolio  of   securities   in
                           accordance with its stated investment  objectives and
                           policies.

DISCOUNT:                  When a fund's  net asset  value is  greater  than its
                           stock  price  the  fund is said  to be  trading  at a
                           discount.

DIVIDEND:                  Income  generated by  securities  in a portfolio  and
                           distributed  to  shareholders  after the deduction of
                           expenses.  This Trust  declares and pays dividends to
                           common shareholders on a monthly basis.

DIVIDEND REINVESTMENT:     Shareholders may have all dividends and distributions
                           of  capital  gains   automatically   reinvested  into
                           additional shares of a fund.

MARKET PRICE:              Price  per  share  of  a  security   trading  in  the
                           secondary market.  For a closed-end fund, this is the
                           price at which  one  share of the fund  trades on the
                           stock  exchange.  If you were to buy or sell  shares,
                           you would pay or receive the market price.

NET ASSET VALUE (NAV):     Net  asset  value is the  total  market  value of all
                           securities  and other assets held by the Trust,  plus
                           income   accrued  on  its   investments,   minus  any
                           liabilities  including accrued  expenses,  divided by
                           the total  number of  outstanding  shares.  It is the
                           underlying  value of a single  share on a given  day.
                           Net asset  value for the Trust is  calculated  weekly
                           and  published in BARRON'S on Saturday,  THE NEW YORK
                           TIMES and THE WALL STREET JOURNAL on Monday.

PREMIUM:                   When a fund's  stock  price is  greater  than its net
                           asset  value,  the  fund is said to be  trading  at a
                           premium.

PRE-REFUNDED BONDS:        These   securities   are   collateralized   by   U.S.
                           Government  securities  which are held in escrow  and
                           are used to pay  principal  and  interest  on the tax
                           exempt  issue and retire the bond in full at the date
                           indicated, typically at a premium to par.


                                       16

<PAGE>



- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                           SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------

TAXABLE TRUSTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                            STOCK         MATURITY
PERPETUAL TRUSTS                                                            SYMBOL          DATE
                                                                            ------        --------
<S>                                                                          <C>           <C>
The BlackRock Income Trust Inc.                                              BKT            N/A
The BlackRock North American Government Income Trust Inc.                    BNA            N/A
The BlackRock High Yield Trust                                               BHY            N/A

TERM TRUSTS
The BlackRock 1999 Term Trust Inc.                                           BNN           12/99
The BlackRock Target Term Trust Inc.                                         BTT           12/00
The BlackRock 2001 Term Trust Inc.                                           BTM           06/01
The BlackRock Strategic Term Trust Inc.                                      BGT           12/02
The BlackRock Investment Quality Term Trust Inc.                             BQT           12/04
The BlackRock Advantage Term Trust Inc.                                      BAT           12/05
The BlackRock Broad Investment Grade 2009 Term Trust Inc.                    BCT           12/09


TAX-EXEMPT TRUSTS
                                                                            STOCK         MATURITY
PERPETUAL TRUSTS                                                            SYMBOL          DATE
                                                                            ------        --------
The BlackRock Investment Quality Municipal Trust Inc.                        BKN            N/A
The BlackRock California Investment Quality Municipal Trust Inc.             RAA            N/A
The BlackRock Florida Investment Quality Municipal Trust                     RFA            N/A
The BlackRock New Jersey Investment Quality Municipal Trust Inc.             RNJ            N/A
The BlackRock New York Investment Quality Municipal Trust Inc.               RNY            N/A

TERM TRUSTS
The BlackRock Municipal Target Term Trust Inc.                               BMN           12/06
The BlackRock Insured Municipal 2008 Term Trust Inc.                         BRM           12/08
The BlackRock California Insured Municipal 2008 Term Trust Inc.              BFC           12/08
The BlackRock Florida Insured Municipal 2008 Term Trust                      BRF           12/08
The BlackRock New York Insured Municipal 2008 Term Trust Inc.                BLN           12/08
The BlackRock Insured Municipal Term Trust Inc.                              BMT           12/10

</TABLE>


         IF YOU WOULD LIKE FURTHER INFORMATION PLEASE CALL BLACKROCK AT
                              (800) 227-7BFM (7236)
                     OR CONSULT WITH YOUR FINANCIAL ADVISOR.


                                       17

<PAGE>



- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                                   AN OVERVIEW
- --------------------------------------------------------------------------------

      BlackRock Financial  Management,  Inc.  ("BlackRock") is an SEC-registered
investment  adviser.  BlackRock and its  affiliates  currently  manage over $141
billion  on behalf of  taxable  and  tax-exempt  clients  worldwide.  Strategies
include  fixed  income,  equity and cash and may  incorporate  both domestic and
international securities. BlackRock manages twenty-one closed-end funds that are
traded on either the New York or  American  stock  exchanges,  and a $25 billion
family of open-end funds. BlackRock manages over 470 accounts,  domiciled in the
United States and overseas.

      BlackRock's  fixed  income  product  was  introduced  in 1988 by a team of
highly seasoned fixed income  professionals.  These  professionals had extensive
experience   creating,   analyzing   and  trading  a  variety  of  fixed  income
instruments,  including the most complex structured securities. In fact, several
individuals  at BlackRock  were  responsible  for  developing  many of the major
innovations  in  the  mortgage-backed   and  asset-backed   securities  markets,
including   the  creation  of  the  first  CMO,  the  floating   rate  CMO,  the
senior/subordinated pass-through and the multi-class asset-backed security.

      BlackRock  is unique  among asset  management  and  advisory  firms in the
emphasis it places on the  development of proprietary  analytical  capabilities.
Over one  quarter  of the  firm's  professionals  is  dedicated  to the  design,
maintenance  and use of these  systems,  which are not  otherwise  available  to
investors. BlackRock's proprietary analytical tools are used for evaluating, and
designing fixed income investment  strategies for client portfolios.  Securities
purchased include mortgages,  corporate bonds,  municipal bonds and a variety of
hedging instruments.

      BlackRock  has  developed  investment  products that respond to investors'
needs and has been  responsible  for several  major  innovations  in  closed-end
funds. In fact,  BlackRock  introduced the first  closed-end  mortgage fund, the
first taxable and tax-exempt  closed-end funds to offer a finite term, the first
closed-end  fund to  achieve a AAA rating by  Standard  & Poor's,  and the first
closed-end  fund to invest  primarily in North American  Government  securities.
Currently,  BlackRock's closed-end funds have dividend reinvestment plans, which
are designed to provide  ongoing  demand for the stock in the secondary  market.
BlackRock  manages a wide range of  investment  vehicles,  each having  specific
investment objectives and policies.

      In view of our continued  desire to provide a high level of service to all
our shareholders, BlackRock maintains a toll-free number for your questions. The
number is (800) 227-7BFM (7236).  We encourage you to call us with any questions
that you may have about your BlackRock  funds and we thank you for the continued
trust that you place in our abilities.






                      IF YOU WOULD LIKE FURTHER INFORMATION
           PLEASE DO NOT HESITATE TO CALL BLACKROCK AT (800) 227-7BFM

                                       18


<PAGE>


THE BLACKROCK
NEW YORK INSURED
MUNICIPAL 2008
TERM TRUST INC.
- --------------------------------------------------------------------------------
SEMI-ANNUAL REPORT
JUNE 30, 1999


<PAGE>



BLACKROCK

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
James Clayburn La Force, Jr.
Walter F. Mondale
Ralph L. Schlosstein

OFFICERS
Ralph L. Schlosstein, PRESIDENT
Keith T. Anderson, VICE PRESIDENT
Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Kevin M. Klingert, VICE PRESIDENT
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY

INVESTMENT ADVISER
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM

ADMINISTRATOR
Princeton Administrators, L.P.
P.O. Box 9095
Princeton, NJ08543-9095
(800) 543-6217

CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North  Quincy,  MA 02171
(800)  699-1BFM

AUCTION AGENT
Deutsche Bank
4 Albany Street
New York, NY 10006

INDEPENDENT  AUDITORS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434

LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom LLP
919 Third Avenue
New York, NY 10022


     The accompanying  financial statements as of June 30, 1999 were not audited
and accordingly, no opinion is expressed on them.

     This  report  is for  shareholder  information.  This  is not a  prospectus
intended for use in the purchase or sale of any securities.

                         THE BLACKROCK NEW YORK INSURED
                         MUNICIPAL 2008 TERM TRUST INC.
                       c/o Princeton Administrators, L.P.
                                  P.O. Box 9095
                            Princeton, NJ 08543-9095
                                 (800) 543-6217

                                                                     092476-10-5
                                                                     092476-20-4
                                                                     092476-30-3
                                                                     092476-40-2

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