# STC SA683NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Northwest Avionics Inc., United States
- Description: Installation of Brittain Industries Model B2C Flight Control System
- Applied: August 14, 1978
- Status date: October 25, 1978
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13)
- Certificate PDF: https://openairdocs.org/files/sha256/a5/0a/a50abc75697ab84c846becc6122a61e68f58d5af283e3f789111b73b70b0c7ab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/11AA50E77FCDDDDF86257A41006DDD4A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA683NW

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

57C United States of America Bos Y Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A6831N This certificate issued to: Northwest Avionics, InC.

Part 3 of the CiViL Air Keyulalions, dated May 15, 1956, thru Amendment 3-2.

Original Product - Type t'ertificate. Lumber: 2A13 Make: Piper Mirkel PA28-161 Jescriplin /ype Jey» (hunge: Installation of Brittain Industries Model B2C Flight Control System (PNEUMATIC TWO-AXIS CONTROL) in accordance with Brittain Industries Installation Instructions 2-931-0l (REVISION B) and NORTHWEST AVIONICS, INC. Installation Supplement NA 1000.

Jimulins andfundilena: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Piper. PA28-161, Serial Number 28-7916024 only. A copy of this Certificate, Installation Instruction Supplement No. NW 1000 and FAA Approved Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Jule f applicaten: August 14, 1978 I ate missued October 25, 1978 Date Amended:

FEDERAL AVIATION By Direction of the Administrator J. 2. н OMINIS18F TION Acting Chief, Engineering and Manufacturing Branch (Title ) 47 FAA FoRM 8110-2 (10-68)

## Every issue (1)

- October 25, 1978: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a5/0a/a50abc75697ab84c846becc6122a61e68f58d5af283e3f789111b73b70b0c7ab)

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