STC SA00478DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00478DE This certificate issued to: Quiet Flight LLC 11740 Airport Way, Hanger 36E Broomfield, CO 80021 Part 23 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: A10SW Make: Mitsubishi Model: MU-2B series aircraft Description of Type Design Change:

Installation of an Aircraft Noise Control (ANC) System in accordance with Master Data List for Mitsubishi MU-2B series, Document No. 142401152, revision C, dated July 1, 2002, FAA approved July 31, 2002, or later FAA approved revision.

1. Compatibility of this design change with previously approved modifications must be determined by installer.

2. A copy of this certificate and FAA approved Airplane Flight Manual Supplement, Document No. 142401166, Revision A, dated July 31, 2002, or later FAA approved revision must be maintained as part of the permanent records of the modified aircraft.

3. Instructions for Continued Airworthiness, Document No. 900000003, entitled,SRC360 Active Noise installation. Cancellation System", Revision E, dated June 5, 2002, or later FAA accepted revision is required for this

4. 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: July 1, 2002 Date Reissued:

Date of Issuance: July 31, 2002 Date Amended:

FEDERA AVIATION By Direction of the Administrator am Grossma David T. Grossman (Signature) Rotorcraft Program Manager TOMINIST RATIOT Northwest Mountain Region Denver Aircraft Certification Office (Title)