STC SH1281SO

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SHI28150 This certificate issued to: Bell Helicopter Textron, Inc.

441 Industrial Park Rd.

Piney Flats, TN 37686 Part 6 of the Civil Abir Regulations.

Original Product - Type Certificate Number: H2SW Make: Bell Helicopter Textron Canada Limited Model: 206A, 206B, 206L, 206L-1, 206L-3, 206L-4, 407 Description of Type Design Change: Installation of a maintenance step in accordance with Drawing List Report KR154, no revision, dated August 25, 1981, or later FAA approved revisions.

Limitations and Conditions: The approval of this change applies basically to Bell Models 206 series and 407. This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that rotorcraft. This determination should include consideration of significant changes in weight distribution such as an increase in he fixed disposable weight in the fuselage.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

suspended, revcked or a termination date is otherwise estublished by the Administrator of the Federal Aviation Administration.

Date of Application: June 12, 1981 Date Reissued: February 1, 2011 Date of Issuance: October 16, 1981 Date Amended: March 19, 1996, December 5, 1996 FEDERAL AVIATION By Direction of the Administrator In Parche (Signature) James A. Richmond, Acting Manager TOMINISTRATO Rotorcraft Certification Office Southwest Region (Title)