STC SR01983SE

Vite Pates of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SR01983SE 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 and 369HM / HS Description of Type Design Change: Fabrication of Aircraft Manufacturing company (AMC) Cabin Heating Duct Assembly in accordance with AMC Master Drawing List (MDL) number (No.) MDL-AMC-031, Revision A, dated December 04, 2008, or later FAA-approved revision; and installation of this assembly in accordance with AMC Installation Instructions No. AMC MI-08001, Revision NC, dated May 20, 2008, or later FAA-approved revision.

Limitations and Conditions: Approval of this change in type design applies to the rotorcraft 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 by the installer that the relationship between this change and any of the other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that helicopter.

A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft 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: June 11, 2008 Date Reissued: September 01, 2009 Date of Issuance: March 26, 2009 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) 000, or imprisonment nor exceeding 3 vears, or both.

FAA FORM 8110-2+1 (10-69)