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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
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SCHEDULE 13G
(Rule 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS
FILED PURSUANT TO RULES 13d-1(b), (c)
AND (d) AND AMENDMENTS THERETO
FILED PURSUANT TO RULE 13d-2(b)
(Amendment No. 1)*
Advanced Communication Systems, Inc.
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(Name of Issuer)
Common Stock, $0.01 par value
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(Title of Class of Securities)
00750X-10-9
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(CUSIP Number)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[X] 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.
(Continued on following page(s))
Page 1 of 5 Pages
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CUSIP No. 00750X 10 9 Page 2 of 5 Pages
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1. NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Thomas A. Costello
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2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) [ ]
(b) [ ]
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3. SEC USE ONLY
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4. CITIZENSHIP OR PLACE OF ORGANIZATION
United States
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5. SOLE VOTING POWER
NUMBER OF 847,500
SHARES -------------------------------------------------
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY 0
EACH -------------------------------------------------
REPORTING 7. SOLE DISPOSITIVE POWER
PERSON 847,500
WITH -------------------------------------------------
8. SHARED DISPOSITIVE POWER
0
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9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
847,500
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10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES [ ]
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11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
9.8%
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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:
847,500
Item 4 (b) Percent of Class:
9.8%
Item 4 (c) Number of shares as to which such person has:
(i) Sole power to vote or to direct the vote:
847,500
(ii) Shared power to vote or direct the vote:
0
(iii) Sole power to dispose or direct the
disposition of:
847,500
(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 847,500 shares beneficially owned by Thomas A. Costello
includes (i) 250,000 shares owned by the Costello 1997 Trust No.
1; (ii) 250,000 shares owned by the Costello 1997 Trust No. 2;
(iii) 173,750 shares owned by Thomas A. Costello Revocable Trust;
and (iv) 173,750 shares owned by Margaret M. Costello Revocable
Trust. Margaret M. Costello and Thomas A. Costello are trustees
for the Costello 1997 Trust No. 1 and Costello 1997 Trust No. 2;
Thomas A. Costello is the trustee for the Thomas A. Costello
Revocable Trust; and Margaret M. Costello is the trustee for
Margaret M. Costello Revocable Trust.
Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding
Company.
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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.
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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 4, 1999
/s/ Thomas A. Costello
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Thomas A. Costello
