SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_________
SCHEDULE 13G
(Rule 13d-102)
INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Advanced Communication Systems, Inc.
(Name of Issuer)
Common Stock, $0.01 par value
(Title of Class of Securities)
00750X-10-9
(CUSIP Number)
(Continued on following page(s))
Page 1 of 5 Pages
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CUSIP No. 00750X 10 9 Page 2 of 5
Pages
_________________________________________________________________
__
1. NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Thomas A. Costello
_________________________________________________________________
________
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
(b)
_________________________________________________________________
________
3. SEC USE ONLY
_________________________________________________________________
________
4. CITIZENSHIP OR PLACE OF ORGANIZATION
United States
_________________________________________________________________
________
5. SOLE VOTING POWER
NUMBER OF 947,500
SHARES
_________________________________________________________
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY 0
EACH
_________________________________________________________
REPORTING 7. SOLE DISPOSITIVE POWER
PERSON 947,500
WITH
_________________________________________________________
8. SHARED DISPOSITIVE POWER
0
_________________________________________________________________
________
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
947,500
_________________________________________________________________
________
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES
_________________________________________________________________
________
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
14.5%
_________________________________________________________________
________
12. TYPE OF REPORTING PERSON
IN
_________________________________________________________________
________
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CUSIP No. 00750X 10 9 Page 3 of 5
Pages
Item 1.
Item 1(a): Name of Issuer:
Advanced Communication Systems, Inc.
Item 1(b): Address of Issuer's Principal Executive
Offices:
10089 Lee Highway
Fairfax, Virginia 22030
Item 2.
Item 2(a): Name of Person Filing:
Thomas A. Costello
Item 2(b): Address of Principal Business Office or, if
None, Residence:
10089 Lee Highway
Fairfax, Virginia 22030
Item 2(c): Citizenship:
United States
Item 2(d): Title of Class of Securities:
Common Stock, $ .01 par value
Item 2(e): CUSIP Number:
00750X 10 9
Item 3. If this statement is filed pursuant to Rules 13d-1(b),
or 13d-2(b), check whether the person filing is a:
Not applicable
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CUSIP No. 00750X 10 9 Page 4 of 5
Pages
Item 4. Ownership:
Item 4 (a) Amount Beneficially Owned:
947,500
Item 4 (b) Percent of Class:
14.5%
Item 4 (c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the
vote:
947,500
(ii) Shared power to vote or direct the vote:
0
(iii) Sole power to dispose or direct the
disposition of:
947,500
(iv) Shared power to dispose or to direct the
disposition of:
0
Item 5.Ownership of Five Percent or Less of a Class.
Not Applicable.
Item 6.Ownership of More Than Five Percent on Behalf of Another
Person.
The 947,500 shares beneficially owned by Thomas A.
Costello includes
300,000 shares owned by the Costello 1997 Trust No. 1 and
300,000 shares
owned by the Costello 1997 Trust No. 2, both of which
Thomas A. Costello
and Margaret M. Costello, Mr. Costello's wife, are
trustees.
Item 7.Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent
Holding Company.
Not Applicable.
Item 8.Identification and Classification of Members of the
Group.
Not Applicable.
Item 9.Notice of Dissolution of Group:
Not Applicable.
Item 10. Certification.
Not Applicable.
<PAGE>
CUSIP No. 00750X 10 9 Page 5 of 5
Pages
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 17, 1998 Thomas A. Costello
Thomas A. Costello
DC1DOCS1.66978
