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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  Schedule 13G

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                            Offshore Logistics Inc.
                                (Name of Issuer)

                                  Common Stock
                         (Title of Class of Securities)

                                    676255102
                                 (CUSIP Number)

Check the following box if a fee is being paid with this statement / /. (A fee
is not required only if the filing 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.)

*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 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 (however, see the
Notes).

                        (Continued on following page(s))

                                     Page 1


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CUSIP No. 676255102                     13G                      Page 2

(1)  NAMES OF REPORTING PERSONS.  S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE
     PERSONS
          Barclays Global Investors, N.A., 94-3112180

(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                         (a)
                         (b)  X

(3)  SEC USE ONLY

(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          U.S.A.

Number of Shares              (5) SOLE VOTING POWER
Beneficially Owned                   1,056,869
by Each Reporting             (6) SHARED VOTING POWER
Person With                          0
                              (7) SOLE DISPOSITIVE POWER
                                     1,074,669
                              (8) SHARED DISPOSITIVE POWER
                                     0

(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
          1,074,669

(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
          5.4%

(12) TYPE OF REPORTING PERSON*
          BK

                      *SEE INSTRUCTION BEFORE FILLING OUT!


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CUSIP No. 676255102                  13G                         Page 2A

(1)  NAMES OF REPORTING PERSONS.  S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE
     PERSONS
          Barclays Global Fund Advisors

(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                    (a)
                    (b)  X

(3)  SEC USE ONLY

(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          U.S.A.

Number of Shares                     (5) SOLE VOTING POWER
Beneficially Owned                           51,700
by Each Reporting                    (6) SHARED VOTING POWER
Person With                                  0
                                     (7) SOLE DISPOSITIVE POWER
                                             51,700
                                     (8) SHARED DISPOSITIVE POWER
                                             0

(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
          51,700

(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
          0.3%

(12) TYPE OF REPORTING PERSON*
          BK

                      *SEE INSTRUCTION BEFORE FILLING OUT!


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                                             Page 3

ITEM 1(A).  NAME OF ISSUER
                 Offshore Logistics Inc.

ITEM 1(B).  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
                 P.O. Box 5-C
                 Lafayette, LA 70505

ITEM 2(A).  NAME OF PERSON(S) FILING
                 Barclays Global Investors, N.A.

ITEM 2(B).  ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE
                 45 Fremont Street
                 San Francisco, CA 94105

ITEM 2(C).  CITIZENSHIP
                 U.S.A

ITEM 2(D).  TITLE OF CLASS OF SECURITIES
                 Common Stock

ITEM 2(E).  CUSIP NUMBER
                 676255102

ITEM 3.   IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B), OR
          13D-2(B), CHECK WHETHER THE PERSON FILING IS A

(a) // Broker or Dealer registered under Section 15 of the Act

(b) // Bank as defined in section 3(a) (6) of the Act
          X
(c) // Insurance Company as defined in section 3(a) (19) of the Act

(d) // Investment Company registered under section 8 of the Investment Company
          Act

(e) // Investment Adviser registered under section 203 of the Investment
          Advisers Act of 1940

(f) //  Employee Benefit Plan, Pension Fund which is subject to the provisions
          of the Employee Retirement Income Security Act of 1974 or Endowment
          Fund; see Rule 13d-1(b) (1) (ii)(F)

(g) // Parent Holding Company, in accordance with Rule 13d-1(b) (ii) (G)
                 (Note:See Item 7)
(h) // Group, in accordance with Rule 13d-1(b) (1) (ii) (H)


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                                                            Page 3A

ITEM 1(A).  NAME OF ISSUER
                 Offshore Logistics Inc.

ITEM 1(B).  ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES
                 P.O. Box 5-C
                 Lafayette, LA 70505

ITEM 2(A).  NAME OF PERSON(S) FILING
                 Barclays Global Fund Advisors

ITEM 2(B).  ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE
                 45 Fremont Street
                 San Francisco, CA 94105

ITEM 2(C).  CITIZENSHIP
                 U.S.A

ITEM 2(D).  TITLE OF CLASS OF SECURITIES
                 Common Stock

ITEM 2(E).  CUSIP NUMBER
                 676255102

ITEM 3.     IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B), OR
            13D-2(B), CHECK WHETHER THE PERSON FILING IS A

(a) // Broker or Dealer registered under Section 15 of the Act

(b) // Bank as defined in section 3(a) (6) of the Act
          X
(c) // Insurance Company as defined in section 3(a) (19) of the Act

(d) // Investment Company registered under section 8 of the Investment Company
          Act

(e) // Investment Adviser registered under section 203 of the Investment
          Advisers Act of 1940

(f) //  Employee Benefit Plan, Pension Fund which is subject to the provisions
          of the Employee Retirement Income Security Act of 1974 or Endowment
          Fund; see Rule 13d-1(b) (1) (ii)(F)

(g) // Parent Holding Company, in accordance with Rule 13d-1(b) (ii) (G)
                  (Note:See Item 7)
(h) // Group, in accordance with Rule 13d-1(b) (1) (ii) (H)


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                                                  Page 4
ITEM 4.   OWNERSHIP
     (a)  Amount Beneficially Owned:         1,126,369

     (b)  Percent of Class:                       5.7%

     (c)  Number of shares as to which such person has:
          (i)   sole power to vote or to direct the vote
                    1,108,569
          (ii)  shared power to vote or to direct the vote
                    0
          (iii) sole power to dispose or to direct the disposition of
                    1,126,369
          (iv) shared power to dispose or to direct the disposition of
                    0

ITEM 5.   OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
          if this statement is being filed to report the fact that as of the
          date hereof the reporting person has ceased to be the beneficial owner
          of more than five percent of the class of securities, check the
          following. //
                 Not applicable

ITEM 6.   OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF
          ANOTHER PERSON
                 The shares reported are held by the company in trust accounts
                 for the economic benefit of the beneficiaries of those
                 accounts. See also Items 2(a) above.

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




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                                                                 Page 5
ITEM 10.  CERTIFICATION
          By signing below I certify that, to the best of my knowledge and
          belief, the securities referred to above were acquired in the ordinary
          course of business and were not acquired for the purpose of and do not
          have the effect of changing or influencing the control of the issuer
          of such securities and were not acquired in connection with or as a
          participant in any transaction having such purposes or effect.

          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.


                                     February 12, 1997

                                     Deborah Ferris

                                     Compliance Manager