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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PYLV0S0SXUUr84AW/jB/qeCnpDwSkKVm/mGNwJNv91PgIBoFTbKfawjdiMTVL8yW
 qfAAHj96X8oaRPjOUsQHnQ==

<SEC-DOCUMENT>0000899243-97-001914.txt : 19971009
<SEC-HEADER>0000899243-97-001914.hdr.sgml : 19971009
ACCESSION NUMBER:		0000899243-97-001914
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		19971008
SROS:			NASD

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OFFSHORE LOGISTICS INC
		CENTRAL INDEX KEY:			0000073887
		STANDARD INDUSTRIAL CLASSIFICATION:	AIR TRANSPORTATION, NONSCHEDULED [4522]
		IRS NUMBER:				720679819
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		
		SEC FILE NUMBER:	333-23355
		FILM NUMBER:		97692243

	BUSINESS ADDRESS:	
		STREET 1:		224 RUE DE JEAN
		STREET 2:		PO BOX 5C
		CITY:			LAFAYETTE
		STATE:			LA
		ZIP:			70505
		BUSINESS PHONE:		3182331221

	MAIL ADDRESS:	
		STREET 1:		224 RUE DE JEAN 70508
		STREET 2:		PO BOX 5C
		CITY:			LAFAYETTE
		STATE:			LA
		ZIP:			70505
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<DESCRIPTION>SUPPLEMENT #4
<TEXT>

<PAGE>
 
                                                FILED PURSUANT TO RULE 424(b)(3)
                                                      REGISTRATION NO. 333-23355

                    SUPPLEMENT NO. 4 DATED OCTOBER 8, 1997
                       TO PROSPECTUS DATED JUNE 13, 1997
                   RELATING TO $98,000,000 PRINCIPAL AMOUNT
                6% CONVERTIBLE SUBORDINATED NOTES DUE 2003 AND
        4,286,964 SHARES OF COMMON STOCK, $0.01 PAR VALUE PER SHARE, OF
                           OFFSHORE LOGISTICS, INC.


     In the Prospectus dated June 13, 1997, under the caption "Selling
Securityholders", General Motors Employees Domestic Group Trust is incorrectly
listed as General Electric Employees Domestic Group Trust.
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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