STC SA2683NM

United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate Number SA2683NM This certificate, issued to Precise Flight, Inc.

63354 Powell Butte Road Bend, OR 97701 Part * of the * Regulations.

Original ProductType Certificate Number: *See attached FAA Approved Model List (AML) Make: No. SA2683NM for list of approved airplane models Model: and applicable airworthiness regulations

Description of the Type Design Change: Installation of Precise Flight, Inc. Stand-By Vacuum System (SVS) in accordance with the appropriate Precise Flight, Inc. Engineering Drawing listed on FAA AML No. SA2683NM, dated March 17, 2000, or later FAA approved revision.

NOTE: As a prerequisite to this change, the engine must be modified in accordance with Precise Flight, Inc. STC No. SE1779NM or SE1780NM, dated December 28, 1982, or later FAA approved revision. Also, modified aircraft must be equipped with a vacuum indicator.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship 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. A copy of this Certificate, AML No. SA2683NM, and the appropriate FAA approved Airplane Flight Manual Supplement (AFMS) listed on AML No. SA2683NM must be maintained as part of the permanent records for the modified aircraft.

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: October 31, 1983 Date reissued: September 7, 2004 Date of issuance: November 7, 1983 Date amended: 12/16/83; 12/7/84; 10/31/89; 7/5/91;

3/17/00; 3/10/05

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)