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| FORM 3 | U.S. SECURITIES AND EXCHANGE COMMISSION
+--------+ WASHINGTON, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
Section 17(a) of the Public Utility Holding Company Act of 1935 or
Section 30(f) of the Investment Company Act of 1940
(Print or Type Responses)
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1. Name and Address of Reporting Person*
Yavapai Acquistion Corp.
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(Last) (First) (Middle)
c/o Northrop Grumman Corporation
1840 Century Park East
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(Street)
Los Angeles California 90067
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(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year) 8/24/00
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3. IRS or Identification Number of Reporting Person, if an Entity
(voluntary) 51-0400878
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4. Issuer Name and Ticker or Trading Symbol Comptek Research, Inc. ("CTK")
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5. Relationship of Reporting Person(s) to Issuer (Check all applicable)
___ Director ___ Officer _X_ 10% Owner ___ Other
(give title below) (specify below)
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6. If Amendment, Date of Original (Month/Day/Year)
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7. Individual or Joint/Group Filing (Check Applicable Line)
_____ Form filed by One Reporting Person
__X__ Form filed by More than One Reporting Person
TABLE I--NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
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1. Title 2. Amount of 3. Ownership Form: 4. Nature of
of Securities Bene- Direct (D) or Indirect Bene-
Security ficially Owned Indirect (I) ficial Ownership
(Instr. 4) (Instr. 4) (Instr. 5) (Instr. 5)
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Common Stock, par value
$0.02 per share 5,876,589 D
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Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
Potential persons who are to respond to the collection of information contained
in this form are not required to respond unless the form displays a currently
valid OMB control number.
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1. Title of Derivative 2. Date Exer- 3. Title and Amount of Securities 4. Conversion 5. Ownership 6. Nature of In-
Security (Instr. 4) cisable and Underlying Derivative Security or Form of direct Bene-
Expiration (Instr. 4) Exercise Derivative ficial
Date Price Security: Ownership
(Month/Day/ of Direct (D) (Instr. 5)
Year) Derivative or In-
---------------------------------------------------- Security direct (I)
Date Expira- Amount or (Instr. 5)
Exer- tion Title Number of
cisable Date Shares
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None
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/s/ 9-6-00
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Name: John H. Mullan Date
Title: Secretary
Explanation of Responses:
* If the form is filed by more than one reported person, see Instruction
5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal
Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If
space is insufficient, Potential persons who are to respond to the
collection of information contained in this form are not required to
respond unless the form displays a currently valid OMB number.
See Instruction 6 for procedure.
