STC SA00482DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00482DE This certificate issued to: Quiet Flight LLC 11740 Airport Way, Hanger 36E Broomfiela, CO 80021 Part 23 of the Federal Aviation Regulations.

Original Product - Type Certificate Number: 3A20 Make: Beech King Air Series Model: Model: 65-90, 65-A90, 70, B90, C90, C90A, E90, H90, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4.

Installation of an Aircraft Noise Control (ANC) System in accordance with Master Data List for Beech King Air Series, Document No. 142401215, revision A, dated May 29, 2002, FAA approved September 26, 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. 142401266, Revision IR, dated September 26, 2002, or later FAA approved revision must be maintained as part of the permanent records of the modified aircraft.

Instructions for Continued Airworthiness, Document No. 900000003, entitled, SRC360 Active Noise Cancellation System", Revision D, dated October 5, 2001, or later FAA accepted revision is required for this installation.

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: November 13, 2001 Date Reissued:

Date of Issuance: September 26, 2002 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Missa pandon Melissa Sandow (Signature) Small Airplane Program Manager TOMMISTRATION Northwest Mountain Region Denver Aircraft Certification Office