Exhibit 3.43

I, HARRIET SMITH WINDSOR, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF INCORPORATION OF “HELI-ONE (U.S.) INC. ”, FILED IN THIS OFFICE ON THE EIGHTH DAY OF NOVEMBER, A.D. 2006, AT 2:22 O’CLOCK P.M.

A FILED COPY OF THIS CERTIFICATE HAS BEEN FORWARDED TO THE NEW CASTLE COUNTY RECORDER OF DEEDS.

State of Delaware

Secretary of State

Division of Corporations

Delivered 02:33 PM 11/08/2006

FILED 02:33 PM 11/08/2006

SRV 061024509 - 4248125 FILE

CERTIFICATE OF INCORPORATION

OF

HELI-ONE (U.S.) INC.

First: The name of the corporation (hereinafter, the “Corporation”) is Heli-One (U.S.) Inc.

Second: The address of the registered office of the Corporation in the State of Delaware is c/o Corporation Service Company, 2711 Centerville Road, Suite 400, Wilmington, County of New Castle, Delaware 19808. The name of the registered agent at such address is Corporation Service Company.

Third: The nature of the business or purposes to be conducted or promoted is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware.

Fourth: The total number of shares of stock which the Corporation shall have authority to issue is 1,000 shares of common stock and the par value of each of such shares is $0.01.

Fifth: The name and mailing address of the incorporator are as follows:

Name	Mailing Address
Michael B. Mantegna	c/o King & Spalding LLP 1185 Avenue of the Americas New York, NY 10036

Sixth: The business and affairs of the Corporation shall be managed by the Board of Directors, and the directors need not be elected by ballot unless required by the bylaws.

Seventh: Meetings of stockholders (including the annual meeting of stockholders) may be held within or without the State of Delaware and may be held and conducted in any manner (including, without limitation, by telephonic meeting or by written consent in lieu of a meeting) provided for in the bylaws of the Company. The books of the Company may be kept (subject to any provision contained in the statutes) outside the State of Delaware at such place or places as may be designated from time to time by the board of directors or in the bylaws of the Company.

Eighth: Whenever a compromise or arrangement is proposed between the Company and its creditors or any class of them and/or between the Company and its stockholders or any class of them, any court of equitable jurisdiction within the State of Delaware may, on the application in a summary way of the Company or of any creditor or stockholder thereof or on the application of any receiver or receivers appointed for the Company under the provisions of Section 291 of Title 8 of the Delaware Code or on the application of

trustees in dissolution or of any receiver or receivers appointed for the Company under the provisions of Section 279 of Title 8 of the Delaware Code order a meeting of the creditors or class of creditors, and/or of the stockholders or class of stockholders of the Company, as the case may be, to be summoned in such manner as the said court directs. If a majority in number representing three-fourths in value of the creditors or class of creditors, and/or of the stockholders or class of stockholders of the Company, as the case may be, agree to any compromise or arrangement and to any reorganization of the Company as a consequence of such compromise or arrangement, the said compromise or arrangement and said reorganization shall, if sanctioned by the court to which the said application has been made, be binding on all the creditors or class of creditors, and/or on all the stockholders or class of stockholders, of the Company, as the case may be, and also on the Company.

Ninth: The Board of Directors is expressly authorized to adopt, amend or repeal the bylaws of the Corporation.

Tenth: The Corporation reserves the right to amend, alter, change or repeal any provision contained in this Certificate of Incorporation, in the manner now or hereafter prescribed by statute, and all rights conferred upon stockholders herein are granted subject to this reservation.

Eleventh: A director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach of fiduciary duty as a director except for liability (i) for any breach of the director’s duty of loyalty to the Corporation or its stockholders, (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) under Section 174 of the Delaware General Corporation Law, or (iv) for any transaction from which the director derived any improper personal benefit.

Michael B. Mantegna

Sole Incorporator

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