STC SR01718SE

Number SR01718SE This certificate, issued to Aerometals 3920 Sandstone Drive El Dorado Hills, CA 95762

Part 6 of the Civil Air Regulations.

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

Model: 369A, 369HE, 369HS, 369HM, 369D, 369E, & 369FF

Description of the Type Design Change: Installation of Aircraft Manufacturing Company Tail Rotor Hub Assembly in accordance with Federal Aviation Administration (FAA)-Approved Master Drawing List number MDL-AMC-025 Revision IR, dated March 16, 2006, or later FAA-approved revisions.

Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only.

This approval should not be extended to other rotorcraft of these models on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those 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 records for 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

Date of application: April 4, 2006 Date reissued: December 11, 2008 Date of issuance: November 9, 2006 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)