STC SR01793SE

Number SR01793SE

This certificate, issued to Aerometals 3920 Sandstone Drive El Dorado Hills, CA 95762

Part 21.29 of the Federal Aviation Regulations.

Original Product⎯Type Certificate Number: H3WE Make: MD Helicopters Inc.

Model: 369D, 369E, 369FF

Description of the Type Design Change: Installation of Vertical Stabilizer Assembly; manufactured in accordance with Master Drawing List MDL-AMC-029, Revision IR, dated June 28, 2007 or later FAA- approved revison, and installed in accordance with Installation Instructions AMC MI-06002 Revision IR, dated July 11, 2006 or later FAA-approved revision. Maintain installation per MDHI Maintenance Manual CSP-HMI-2 section 53-50-10 and Structural Repair Manual CSP-SRM-6 section 53-50-10.

Limitations and Conditions : Approval of this change in type design applies only to the rotorcraft model listed above. This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this Certificate must be maintained as part of the permanent record of the modified rotorcraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

This certificate and the supporting data, which is th e basis for approval, shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration .

Date of application: March 12, 2007 Date reissued: December 11, 2008 Date of issuance: September 24, 2007 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office

(Title) FAA FORM 8110-2(10-68)