STC SR00549DE

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate N umber SR00549DE This certificate, issued to Air Comm Corporation 1575 West 124th Ave Westminster, CO 80234 Title 14, Part 27 of the Code of Federal Regulations.

Original ProductType Certificate Number: R0001RD Make: Airbus Helicopters Model: EC120B Description of the Type Design Change:

Installation of Bleed Air Cabin Heater/Defroster System in accordance with Air Comm Corporation Master Drawing List Report No. DL-EC120H, Revision A, dated March 8, 2004, FAA approved May 13, 2004, or later FAA approved revision.

1. A copy of this Certificate and FAA Approved Rotorcraft Flight Manual Supplement Number EC120BH-1, Rev A, dated May 13, 2004 or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft.

2. Instructions for Continued Airworthiness, Air Comm Corporation Heater Service Manual EC120H-100M-1, Revision 0, dated February 11, 2004 FAA accepted April 14, 2004 or later FAA accepted revision is required for this installation.

3. Approval of this change in type design applies to the model of aircraft listed above only.

4. Compatibility of this design change with previously approved alterations must be determined by the installer.

5. 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.

6. A copy of this certificate and the appropriate flight manual supplement as listed above must be maintained as part of the permanent record for the altered aircraft.

Date of application: January 15, 2004 Date reissued: November 24, 2014 Date of issuance: May 13, 2004 Date amended:

Todd Dixon (Signature) Manager Denver Aircraft Certification Office Northwest Mountain Region, (Title)