<PAGE>
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 1)*
Advanced Aerodynamics & Structures, Inc.
- --------------------------------------------------------------------------------
(Name of Issuer)
CLASS A COMMON STOCK
- --------------------------------------------------------------------------------
(Title of Class of Securities)
00750B 10 7
- --------------------------------------------------------------------------------
(CUSIP Number)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
* 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).
Page 1
<PAGE>
CUSIP No. 00750B 10 7
----------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor Investment Corporation
---------------------------------------------------------------------
22-2514825
---------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
---------------------------------------------------------------------
(b) X
---------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
---------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
-----------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
----------------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 305,570
Beneficially ----------------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
----------------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 305,570
Person With ----------------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 305,570
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
--------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 4.4%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
-------------------------
- --------------------------------------------------------------------------------
Page 2
<PAGE>
CUSIP No. 00750B 10 7
----------------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Paul Tudor Jones, II
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
--------------------------------------------------------------------
(b) X
--------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
---------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization USA
----------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
---------------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 335,320
Beneficially ---------------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
---------------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 335,320
Person With ---------------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 335,320
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
-------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 4.8%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) IN
-----------------------
- --------------------------------------------------------------------------------
Page 3
<PAGE>
CUSIP No. 00750B 10 7
-----------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor BVI Futures, Ltd.
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
-------------------------------------------------------------------
(b) X
-------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
---------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization British Virgin Islands
----------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
-------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 98,480
Beneficially -------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
-------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 98,480
Person With -------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 98,480
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
--------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 1.4%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 4
<PAGE>
CUSIP No. 00750B 10 7
----------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor Arbitrage Partners L.P.
------------------------------------------------------------------------
13-3496979
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
-------------------------------------------------------------------
(b) X
-------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
---------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
---------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
--------------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 29,750
Beneficially --------------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
--------------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 29,750
Person With --------------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 29,750
---------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
--------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.4%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) PN
------------------------
- --------------------------------------------------------------------------------
Page 5
<PAGE>
CUSIP No. 00750B 10 7
---------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
Tudor Global Trading LLC
------------------------------------------------------------------------
13-3862744
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
-------------------------------------------------------------------
(b) X
-------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
----------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
----------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
-------------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 29,750
Beneficially -------------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
-------------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 29,750
Person With -------------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 29,750
--------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
---------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.4%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) OO
------------------------
- --------------------------------------------------------------------------------
Page 6
<PAGE>
CUSIP No. 00750B 10 7
-----------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
The Raptor Global Fund L.P.
------------------------------------------------------------------------
13-3735415
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Delaware
-------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
-------------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 44,580
Beneficially -------------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
-------------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 44,580
Person With -------------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 44,580
----------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
--------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.6%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) PN
------------------------
- --------------------------------------------------------------------------------
Page 7
<PAGE>
CUSIP No. 00750B 10 7
----------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
The Raptor Global Fund Ltd.
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
---------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Cayman Islands
--------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
------------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 147,950
Beneficially ------------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
------------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 147,950
Person With ------------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 147,950
----------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
--------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 2.1%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 8
<PAGE>
CUSIP No. 00750B 10 7
-----------------
- --------------------------------------------------------------------------------
1) Names of Reporting Person
S.S. or I.R.S. Identification No. of Above Person
The Upper Mill Capital Appreciation Fund Ltd.
------------------------------------------------------------------------
------------------------------------------------------------------------
- --------------------------------------------------------------------------------
2) Check the Appropriate Box if a Member of a Group (See Instructions)
(a)
------------------------------------------------------------------
(b) X
------------------------------------------------------------------
- --------------------------------------------------------------------------------
3) SEC Use Only
--------------------------------------------------------
- --------------------------------------------------------------------------------
4) Citizenship or Place of Organization Cayman Islands
------------------------------
- --------------------------------------------------------------------------------
Number of (5) Sole Voting Power 0
---------------------------
Shares -----------------------------------------------------------------
(6) Shared Voting Power 14,560
Beneficially ---------------------------
-----------------------------------------------------------------
Owned by Each (7) Sole Dispositive Power 0
---------------------------
Reporting -----------------------------------------------------------------
(8) Shared Dispositive Power 14,560
Person With ---------------------------
-----------------------------------------------------------------
- --------------------------------------------------------------------------------
9) Aggregate Amount Beneficially Owned by Each Reporting Person 14,560
----------
- --------------------------------------------------------------------------------
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
---------------------------------------------------
- --------------------------------------------------------------------------------
11) Percent of Class Represented by Amount in Row 9 0.2%
--------------------
- --------------------------------------------------------------------------------
12) Type of Reporting Person (See Instructions) CO
------------------------
- --------------------------------------------------------------------------------
Page 9
<PAGE>
ITEM 1(a). Name of Issuer:
Advanced Aerodynamics & Structures, Inc.
ITEM 1(b). Address of Issuer's Principal Executive Offices:
3060 Airport Way
Long Beach, CA 90806
ITEM 2(a). Name of Person Filing:
Tudor Investment Corporation ("TIC")
Paul Tudor Jones, II
Tudor BVI Futures, Ltd. ("Tudor BVI")
Tudor Arbitrage Partners L.P. ("TAP")
Tudor Global Trading LLC ("TGT")
The Raptor Global Fund L.P. ("Raptor L.P.")
The Raptor Global Fund Ltd. ("Raptor Ltd.")
The Upper Mill Capital Appreciation Fund Ltd. ("Upper Mill")
ITEM 2(b). Address of Principal Business Office or, if none, Residence:
The principal business office of each of TIC, TAP, TGT, and Raptor
L.P. is:
600 Steamboat Road
Greenwich, CT 06830
The principal business office of Mr. Jones is:
c/o Tudor Investment Corporation
600 Steamboat Road
Greenwich, CT 06830
The principal business office of each of Tudor BVI, Raptor Ltd. and
Upper Mill is:
c/o CITCO
Kaya Flamboyan 9
Curacao, Netherland Antilles
ITEM 2(c). Citizenship:
TIC is a Delaware corporation
Tudor BVI is a company organized under the laws of the British
Virgin Islands
Mr. Jones is a citizen of the United States
TAP and Raptor L.P. are Delaware limited partnerships
TGT is a Delaware limited liability company
Raptor Ltd. and Upper Mill are companies organized under the laws of
the Cayman Islands
ITEM 2(d). Title of Class of Securities:
Class A Common Stock
ITEM 2(e). CUSIP Number:
00750B 10 7
Page 10
<PAGE>
ITEM 3. If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b),
check whether the person filing is a:
<TABLE>
<S> <C> <C>
(a) [ ] Broker or Dealer registered under section 15 of the Act
(b) [ ] Bank as defined in section 3(a)(6) of the Act
(c) [ ] Insurance Company as defined in section 3(a)(19) of the Act
(d) [ ] Investment Company registered under section 8 of the Investment
Company Act
(e) [ ] Investment Adviser registered under section 203 of the Investment Advisers Act of 1940
(f) [ ] Employment Benefit Plan, Pension Fund which is subject to the provisions of the Employee
Retirement Income Security Act of 1974 or Endowment Fund; see section 240.13d-1(b)(1)(ii)(F)
(g) [ ] Parent Holding Company, in accordance with section 240.13d-1(b)(1)(ii)(G) (Note: See Item 7)
(h) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(H)
</TABLE>
Item 4. Ownership.
(a) Amount Beneficially Owned: See Item 9 of cover pages
(b) Percent of Class: See Item 11 of cover pages
(c) Number of shares as to which such person has:
<TABLE>
<S> <C> <C>
(i) sole power to vote or to direct the vote See Item 5 of cover pages
-----------------------------
(ii) shared power to vote or to direct the vote See Item 6 of cover pages
-----------------------------
(iii) sole power to dispose or to direct the disposition of See Item 7 of cover pages
-----------------------------
(iv) shared power to dispose or to direct the disposition of See Item 8 of cover pages
-----------------------------
--------------------------------------------------------------------------------------
</TABLE>
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 [X].
Item 6. Ownership of More than Five Percent on Behalf of Another Person.
Not applicable
Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parents Holding Company.
Not applicable
Item 8. Identification and Classification of Members of the Group.
See cover pages
Item 9. Notice of Dissolution of Group.
Not applicable
Page 11
<PAGE>
ITEM 10. Certification.
By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.
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.
Dated: October 21, 1998
TUDOR INVESTMENT CORPORATION
By: /s/ Andrew S. Paul
-------------------------------------
Andrew S. Paul
Managing Director and General Counsel
/s/ Paul Tudor Jones, II
-------------------------------------------
Paul Tudor Jones, II
TUDOR BVI FUTURES, LTD.
By: Tudor Investment Corporation,
Trading Advisor
By: /s/ Andrew S. Paul
-------------------------------------
Andrew S. Paul
Managing Director and General Counsel
Page 12
<PAGE>
TUDOR ARBITRAGE PARTNERS L.P.
By: Tudor Global Trading LLC,
General Partner
By: /s/ Andrew S. Paul
----------------------------------
Andrew S. Paul
Managing Director and General Counsel
TUDOR GLOBAL TRADING LLC
By: /s/ Andrew S. Paul
-------------------------------------
Andrew S. Paul
Managing Director and General Counsel
THE RAPTOR GLOBAL FUND L.P.
By: Tudor Investment Corporation,
General Partner
By: /s/ Andrew S. Paul
-------------------------------------
Andrew S. Paul
Managing Director and General Counsel
THE RAPTOR GLOBAL FUND LTD.
By: Tudor Investment Corporation,
Investment Advisor
By: /s/ Andrew S. Paul
-------------------------------------
Andrew S. Paul
Managing Director and General Counsel
THE UPPER MILL CAPITAL APPRECIATION FUND LTD.
By: Tudor Investment Corporation,
Sub-Investment Manager
By: /s/ Andrew S. Paul
-------------------------------------
Andrew S. Paul
Managing Director and General Counsel
Page 13
