# STC SA1957SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: American Airlines Inc, United States
- Description: Installation of emergency escape path lighting system.
- Applied: July 8, 1986
- Status date: August 25, 2016
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/11/6a/116a785c0f76316c2a6dea416651816bcccc87609cc31a5c199533587c2c7781
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/638A05D9413C8D9B86258058006C1BBD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1957SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA1957SO American Airlines, Inc.

3900 N. Mingo Road Engineering Dept., MD 208 Tulsa, Oklahoma 74116 Civil Air Regulations.

4b

1. Installation of Emergency Escape Path Lighting System in accordance with the following Piedmont Engineering Authorizations as dated below or later FAA approved revisions:

a. FA727-483 Issue A (6/2/86) and EA727-485 Issue A (6/24/86)

b. FA727-436 Issue A (6/24/86) and EA727-437 Issue A (6/21/86)

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Michele J. Maurer Acting Manager New York Aircraft Certification Office Boeing 727-200 June 1, 1989, July 5, 2016, August 25, 2016 July 8, 1986 July 17, 1986 A3WE 2

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA1957SO

## Every issue (1)

- August 25, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/11/6a/116a785c0f76316c2a6dea416651816bcccc87609cc31a5c199533587c2c7781)

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