STC SA00251DE

13251 E. Control Tower Rd, K-12 Englewood, CO 80112

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: 3A25 Make: Cessna Aircraft Company Model: 320, 320-1, 320A, 320B, 320C, 320D, 320E, 320F 340, 340A

Description of the Type Design Change:

Installation of a stainless steel heat shield assembly in accordance with Rocky Mountain Straight Flight, Inc.

drawings 454-1001, Rev. B, dated 7/10/97 and 454-1002, Rev. B, dated 7/10/97 or later FAA approved revisions.

1. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship 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.

2. A copy of this certificate must be maintained as part of the permanent records for the modified aircraft.

This certificate and the supporting data which is the basis for approval shall remain in effect until surrendered, suspended, revoked, or a termination date is otherwise established by the Administrator of the Federal Aviation Administration

Date of application: July 30, 1996 Date of issuance: October 8, 1996 Date reissued: June 21, 2012

Date amended: July 23, 1997

( Signature) Satish Lall Northwest Mountain Regional Acting Manager Denver Aircraft Certification Office (Title)