What it approves
Installation of automatic flagman Model No. 4
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
Number SA331NW
This certificate, issued to R-S Sales, Inc.
170 O’Connor Road Lewiston, ID 83501 Part 4a of the Civil Air Regulations.
Original ProductType Certificate Number: A-743 Make: Boeing Model: 75 (Restricted Category)
Description of the Type Design Change: Installation of Automatic Flagman Model No. 4, in accordance with North American Industries, Inc., Drawing 105 and 117, and Installation Instructions No. 6-1000.
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 this model 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 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, 1975 Date reissued: 07/03/80; 04/02/86; 08/27/01 Date of issuance: October 6, 1976 Date amended: 07/03/80; 08/27/01
(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| Boeing Airplane Company Wichita Division | 75 (Army PT-13) | A-743 |