STC SR01550SE

United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate Number ST01550SE 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: 369D, 369E, 369FF, 500N

Description of the Type Design Change: Fabrication of AMC Part Number AM369D290135 scavenge air elbow assembly in accordance with AMC Master Drawing List No. MDL-AMC-019, Revision IR, dated October 6, 2004, or later Federal Aviation Administration (FAA) approved revision. The scavenge air elbow assembly must be installed in accordance with AMC Installation Instructions AMC-MI-04003, Revision IR, dated October 6, 2004, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the rotorcraft models listed above only. 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 of those other previously approved modifications, including changes in type design, will introduce no adverse effects upon the airworthiness of that rotorcraft. A copy of this Certificate must be maintained as part of the permanent record of the modified rotorcraft. This is a direct replacement part, and the FAA has determined that no Instructions for Continued Airworthiness are required.

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: January 11, 2005 Date reissued: June 28, 2006 Date of issuance: May 19, 2005 Date amended:

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