STC SA977NW

Number SA977NW

This certificate, issued to R-S Sales, Inc.

170 O’Connor Road Lewiston, ID 83501 Part * of the * Regulations.

Original ProductType Certificate Number: *See Attached Approved Model List (AML) Make: No. SA977NW for a list of approved aircraft Model: models and applicable airworthiness regulations.

Description of the Type Design Change: Installation of Automatic Flagman Model No. 5A, in accordance with North American Industries, Inc., Installation Instructions No. 5-1000, and Drawings 112 and 127.

Limitations and Conditions: Approval of this change in type design applies to the aircraft models listed on the AMLNo. SA977NW 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 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 and AML No. SA977NW 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: July 10, 1980 Date reissued: 04/02/86; 08/27/01 Date of issuance: July 22, 1980 Date amended: 08/27/01

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)