# STC SA1776SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: American Airlines Inc, United States
- Description: Installation of airfore air/ground telephone system.
- Applied: March 25, 1985
- Status date: December 30, 2015
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/39/37/3937fe8f7ed0753bd6bba9d66b392e29a6f269add4f9614ecde4a9f60a2851c4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C1FEFD8435EDC59986257F6900783B8B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1776SO

## 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 SA1776SO American Airlines, Inc.

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

4b

1. Installation of Airfone air/ground telephone system in accordance with EA 727-296, Issue A, dated February 26, 1985, or EA 727-416, Issue A, dated May 21, 1985, and EA 727-410, Issue A, dated February 28, 1985, or later FAA approved revisions.

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.

Gaetano Sciortino Manager New York Aircraft Certification Office The Boeing Company 727-200 June 01, 1989, December 4, 2015, December 30, 2015 February 06, 1986 March 25, 1985 April 11, 1985 A3WE 2 “Reissued on December 4, 2015, to supersede the original STC, which has been lost or misplaced.”

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

To (Name and address of transferee)

From (Name and address of grantor)

2 SA1776SO

## Every issue (2)

- December 30, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/39/37/3937fe8f7ed0753bd6bba9d66b392e29a6f269add4f9614ecde4a9f60a2851c4)
- December 4, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/65/9b/659b387e87c5daf2360c48dff9760bb493a088bd2ab8fd93934cc213cba703a2)

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