# STC SA1225WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Northwest Airlines, Inc., United States
- Description: Installation of emergency lighting system.
- Applied: May 9, 1966
- Status date: November 14, 1986
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS 7A1](https://openairdocs.org/tcds/7A1)
- Certificate PDF: https://openairdocs.org/files/sha256/84/04/84040633131b58831555a65c748a44f9c0034bb661858c3d57e67c79c52ab85f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152679569520260803161706.0001
- DRS record last changed: August 3, 2026
- Page: https://openairdocs.org/stc/SA1225WE

## ADs that name it (0)

None.

## Approved models (1)

- Fairchild Industries Inc. F27-A ([TCDS 7A1](https://openairdocs.org/tcds/7A1))

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA1225WE This certificate issued to: Northwest Airlines, Inc.

2700 Lone Oak Parkway Eagan, MN 55124 Certifies that the change in the type design for the following product with the limitations and conditions thereferas specified hereon meets the airworthiness reguirements of Purt 4B of the CiVIl Air Regulations and FAR 25.811 (F) (2).

Original Product -Typebertificate Number: 7A1 Make: Fairchild Model: F27A Description of Type Design Change: . installation of emergency lichting system in accordance with sealed Bonanza Yo. 35-50-system in acco Engineering Change Order No. 33-50-01A.

This approval should not be extended to other specific airplanes 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 will introduce no adverse effect upon the airworthiness of that airplane.

F. Horn (Signature ) TMINISTRATO Manager, Chicago Aircraft Certification Office, ACE-115C, Central Region, FAA (Title)

## Every issue (1)

- November 14, 1986: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/84/04/84040633131b58831555a65c748a44f9c0034bb661858c3d57e67c79c52ab85f)

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