UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 7)*
BOATRACS, INC.
(Name of Issuer)
COMMON STOCK
(Title of Class of Securities)
096662 10 1
(CUSIP Number)
Joseph Lesko, Esq.
Solomon Ward Seidenwurm & Smith
401 B Street, Suite 1200
San Diego, CA 92101 (619) 231-0303
(Name, Address and Telephone Number of Person Authorized to Rece
ive Notices and Communications)
June 27,1997
(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule
13G to report the acquisition which is the subject of this
Schedule 13D, and is filing this schedule because of Rule 13d-
1(b)(3) or (4), check the following box 0.
Check the following box if a fee is being paid with the statement
0. (A fee is not required only if the reporting 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.)
Note: Six copies 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 disclosures provided in
a prior cover page.
The information required on 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).
SCHEDULE 13D
CUSIP No. 096662 10 1 Page 2 of 4
Pages
1. Name of Reporting Person - Michael Silverman
S.S. or I.R.S. Identification No. of Above Person
2. Check the Appropriate Box if a Member of a Group*
(a) 0
N/A (b) 0
3. SEC Use Only
4. Source of Funds*
00
5. Check Box if Disclosure of Legal Proceedings is Required
Pursuant to Items 2(d) or 2(E) 0
N/A
6. Citizenship or Place of Organization
U.S.
NUMBER OF SHARES BENEFICIALLY OWNED
BY EACH REPORTING PERSON WITH
7. Sole Voting Power
5,040,317
8. Shared Voting Power
9. Sole Dispositive Power
5,040,317
10. Shared Dispositive Power
11. Aggregate Amount Beneficially Owned by Each Reporting Person
5,040,317 shares
12. Check Box if the Aggregate Amount in Row (11) Excludes
Certain Shares* 0
N/A
13. Percent of Class Represented by Amount in Row (11)
40%
14. Type of Reporting Person*
IN
*SEE INSTRUCTIONS BEFORE FILLING OUT!
Page 3 of 4
ATTACHMENT TO AMENDMENT NO. 7 TO SCHEDULE 13D
Item 1. Security and Issuer.
This Amendment No. 7 to Schedule 13D ("Amendment") relates
to shares of the common stock of Boatracs, Inc., a California
corporation, whose principal executive offices are located at
6440 Lusk Boulevard, Suite D201, San Diego, California 92121.
Item 5. Interest in Securities of the Issuer.
(a) As of the date of this Amendment, the number and
percentage of the class of securities identified pursuant to
Item 1 above held by the reporting person is 5,040,317 shares,
which represents 40 percent of the outstanding shares of the
class.
(b) The reporting person has the sole power to vote and the
sole power to dispose of all of such shares.
(c) For the sixty days prior to the event requiring filing
of the Schedule 13D/A, the reporting person has made the
following transactions in the shares:
Date Number of Shares Sold Price per share
03-11-97 70,000 $1.60
03-12-97 10,000 1.65
03-18-97 5,000 1 7/16
04-04-97 2,000 1.25
04-04-97 2,000 1.375
04-21-97 3,000 1.50
04-28-97 5,000 1.50
05-26-97 3,000 1.50
06-03-97 17,000 1.10
06-17-97 5,000 1 1/16
06-17-97 500 1.50
06-27-97 300 1.50
(d) Not applicable.
(e) Not applicable.
Page 4 of 4
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.
Dated: July 18, 1997
/S/ MICHAEL SILVERMAN
Michael Silverman
