STC SR01404SE

Number SR01404SE This certificate, issued to Vulcan Aircraft, Inc.

7675 Perimeter Rd. S.

Seattle, WA 98104

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: H19NM, Revision 4 Make: MD Helicopters, Inc.

Model: MD900 Description of the Type Design Change: Installation of Aircell Iridium Satcom System and associated equipment per Master Drawing List Document No. FJA125000000, Revision “B” dated May 14, 2004 or later FAA approved revisions. The modification must be maintained in accordance with “Instructions for Continued Airworthiness for MD-900 Rotorcraft with AirCell Iridium Satcom System”, Document No. FJA125000008, Revision “A” dated May 14, 2004 or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft 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 aircraft.

Rotorcraft modified in accordance with this STC must be operated in accordance with FAA approved Rotorcraft Flight Manual Supplement (RFMS), Document No. FJA125000007 dated May 12, 2004 or later FAA approved revision. The FAA Approved RFMS is a required part of this STC and must be maintained with a copy of this Certificate as part of the permanent record of the modified helicopter. 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: December 22, 2003 Date reissued:

Date of issuance: June 1, 2004 Date amended:

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