<PAGE>
Page 1 of 7
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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SCHEDULE 13G
Information Statement pursuant to Rule 13d-1 and 13d-2
(AMENDMENT NO. 6 )*
ALLIANCE IMAGING INC
---------------------------------------------
(NAME OF ISSUER)
COMMON STOCK
---------------------------------------------
(TITLE OF CLASS OF SECURITIES)
018606103
---------------------------------------------
(CUSIP NUMBER)
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Check the following box if a fee is being paid with this statement :_:
(A fee is not required only if the filing person: (1) has a previous
statement on file reporting beneficial ownership of more than five
percent of the class of securities described in Item 1; and (2) has
filed no amendment subsequent thereto reporting beneficial ownership
of five percent or less of such class.) (See Rule 13d-7.)
* The remainder of this cover page shall be filled out for a reporting
person`s initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information
which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not
be deemed to be 'filed' for the purpose of Section 18 of the Securities
Exchange Act of 1934 ('Act') or otherwise subject to the liabilities
of that section of the Act but shall be subject to all other provisions
of the Act (however, see the Notes).
(CONTINUED ON FOLLOWING PAGE(S))
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|--------------------| |--------------------|
|CUSIP NO. 018606103 | 13G | Page 2 of 7 Pages |
|--------------------| |--------------------|
|--------------------------------------------------------------------|
| 1|NAME OF REPORTING PERSON |
| |THE EQUITABLE COMPANIES INCORPORATED |
| | |
| |S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON |
| |13-3623351 |
|--|-----------------------------------------------------------------|
| 2|CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [ ] |
| | (B) [ ] |
|--|-----------------------------------------------------------------|
| 3|SEC USE ONLY |
| | |
| | |
|--|-----------------------------------------------------------------|
| 4|CITIZENSHIP OR PLACE OF ORGANIZATION |
| | |
| |State of Delaware |
|--------------------------------------------------------------------|
| NUMBER OF |5|SOLE VOTING POWER |
| SHARES | | 982,567 |
| BENEFICIALLY |-|----------------------------------------------|
| OWNED |6|SHARED VOTING POWER |
| AS OF | | 0 |
| December 31, 1996 |-|----------------------------------------------|
| BY EACH |7|SOLE DISPOSITIVE POWER |
| REPORTING | | 982,567 |
| PERSON |-|----------------------------------------------|
| WITH |8|SHARED DISPOSITIVE POWER |
| | | 0 |
|--------------------------------------------------------------------|
| 9|AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON |
| | 982,567 |
| | |
|--|-----------------------------------------------------------------|
|10|CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN |
| |SHARES * |------| |
| | |------| |
|--|-----------------------------------------------------------------|
|11|PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 |
| | |
| | 9.0% |
|--|-----------------------------------------------------------------|
|12|TYPE OF REPORTING PERSON * |
| | THIS SCHEDULE 13G REPORT IS FILED PURSUANT TO RULE 13d-1(c). |
| | |
| | HC |
|--------------------------------------------------------------------|
* SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
Item 1(a) Name of Issuer: Page 3 of 7 Pages
--------------
ALLIANCE IMAGING INC
Item 1(b) Address of Issuer's Principal Executive Offices:
-----------------------------------------------
3111 No. Tuston Ave.
Orange, CA 92665
Item 2(a) Name of Person Filing:
---------------------
The Equitable Companies Incorporated
(the 'Equitable Companies')
(Please contact Patrick Meehan at (212) 641-8234
with any questions.)
Item 2(b) Address of Principal Business Office:
------------------------------------
787 Seventh Avenue
New York, New York 10019
Item 2(c) Citizenship:
-----------
Delaware
Item 2(d) Title of Class of Securities:
----------------------------
Common Stock
Item 2(e) CUSIP Number:
------------
018606103
Item 3. Type of Reporting Person:
------------------------
Equitable Companies as a parent holding company,
in accordance with 240.13d-1 (b)(ii)(G).
THIS SCHEDULE 13G REPORT IS FILED PURSUANT TO RULE 13d-1(c).
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<TABLE>
Page 4 of 7 Pages
Item 4. Ownership as of December 31, 1996:
---------------------------------
(a) Amount Beneficially Owned:
-------------------------
982,567 shares of common stock beneficially owned including:
<CAPTION>
No. of Shares
---------------------
<S> <C> <C>
The Equitable Companies Incorporated 0
THIS SCHEDULE 13G REPORT IS FILED PURSUANT TO RULE 13d-1(c).
Subsidiaries:
------------
The Equitable Life Assurance Society of
the United States acquired solely for
investment purposes: 0
Alliance Capital Management L. P.,
acquired solely for investment purposes
on behalf of client discretionary investment
advisory accounts: 0
DLJ Capital Corporation:
Common Stock 982,567 982,567
-----------
Wood, Struthers & Winthrop Management Corp.
acquired solely for investment purposes
on behalf of client discretionary investment
advisory accounts: 0
-----------
Total 982,567
===========
(Each of the above subsidiaries of The Equitable operates under
independent management and makes independent decisions).
<S> <C>
(B) Percent of Class: 9.0%
---------------- ===========
</TABLE>
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<TABLE>
ITEM 4. Ownership as of December 31, 1996 (CONT.) Page 5 of 7 Pages
(c) Deemed Voting Power and Disposition Power:
-----------------------------------------
<CAPTION>
(i) (ii) (iii) (iv)
Deemed Deemed Deemed Deemed
to have to have to have to have
Sole Power Shared Power Sole Power Shared Power
to Vote to Vote to Dispose to Dispose
or to or to or to or to
Direct Direct Direct the Direct the
the Vote the Vote Disposition Disposition
---------- ------------ ----------- ------------
<S> <C> <C> <C> <C>
The Equitable
Companies
Incorporated 0 0 0 0
Subsidiaries:
------------
The Equitable
Life Assurance
Society of the
United States 0 0 0 0
Alliance Capital
Management L. P. 0 0 0 0
DLJ Capital
Corporation 982,567 0 982,567 0
Wood, Struthers
& Winthrop
Management
Corporation 0 0 0 0
---------- ------------ ----------- ------------
TOTAL 982,567 0 982,567 0
========== ============ =========== ============
(Each of the above subsidiaries of the Equitable Companies operates under
independent management and makes independent voting and investment decisions).
</TABLE>
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Page 6 of 7 Pages
Item 5.
Ownership of Five Percent or Less of a Class:
---------------------------------------------
If this statement is being filed to report the fact that as of the date
hereof the reporting person has ceased to be the beneficial owner of
more than five percent of the class of securities, check the following.
( )
Item 6.
Ownership of More than Five Percent on behalf of Another Person. N/A
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Item 7.
Identification and Classification of the Subsidiary which Acquired
------------------------------------------------------------------
the Security Being Reporting on by the Parent Holding Company:
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This Schedule 13G is being filed by Equitable Companies under Rule 13d-1(c).
(X) in EQUITABLE COMPANIES capacity as a parent holding company
with respect to the holdings of its following subsidiaries:
( ) THE EQUITABLE LIFE ASSURANCE SOCIETY OF THE UNITED STATES
(13-5570651), an insurance company, a broker-dealer registered
under Section 15 of the Securities and Exchange Act of 1934
and an investment adviser registered under Section 203 of the
Investment Advisers Act of 1940.
( ) ALLIANCE CAPITAL MANAGEMENT L. P. (13-3434400),
an investment adviser registered under Section 203 of the
Investment Advisers Act of 1940.
(X) DLJ CAPITAL CORPORATION (13-2656882)
( ) WOOD, STRUTHERS & WINTHROP MANAGEMENT CORP. (13-2774791),
an investment adviser registered under Section 203 of the
Investment Advisers Act of 1940.
<PAGE>
Page 7 of 7 Pages
Item 8. Identification and Classification of Members of the Group. N/A
---------------------------------------------------------
Item 9. Notice of Dissolution of Group: N/A
------------------------------
Item 10. Certification:
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THIS SCHEDULE 13G REPORT IS FILED PURSUANT TO RULE 13d-1(c).
Signature
---------
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement
is true, complete and correct.
Date: February 12, 1997 THE EQUITABLE COMPANIES INCORPORATED
/s/ Alvin H. Fenichel
Alvin H. Fenichel
Senior Vice President
and Controller
