STC SA00409DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00109DE This certificate issued to: Quiet Flight, LLC 700 Corporate Circle, Suite "O" Golden, Colorado 80401 Purt. 3 of the Civil Air Regulations.

Original Product - Type Cerlificate Number : 3A10 Make: Cessna Aircraft Company Model:

310, 310A, 310B, 310C, 310D, 310E, 310F, 310G, 310H, E3 10H, 3101, 310J, 310J-1, E310J, 310K, 310L, 310N, 310P, T310P, 310Q, T310Q, 310R and T310R Description of Type Design Change:

Installation of an Aircraft Noise Control System in accordance with Quiet Flight LLC Master Document List, Document Number 14240058-A, Revision D, dated March 30, 2000, or later FAA approved revisions.

1. A copy of this certificate, along with a copy of Pilot Guide for the Cessna Aircraft Model 310 Active Interior Noise Control System (AINCS) Model SRC360-062, Document Number 14240081-A, Revision IR, dated March 27, 2000, is required and must be maintained as a part of the permanent records for this aircraft.

2. 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.

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

4. This modification did not increase the noise level and was not considered an acoustical change as defined in paragraph 21.93(b) of the Federal Aviation Regulations.

Date of Application: December 13, 1999 Date Reissued:

Dule of issuunce: April April 2000 Date Amended:

FEDERAL AVIATION rection of the Admi anal he Ma (Signature) Ronald F. May TOMNISTRATIO Northwest Mountain Region Manager, Denver Aircraft Certification Office (Title)