# STC SA3945SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Install the Avicom Audio information retrieval system, Model 2010
- Applied: February 11, 1987
- Status date: November 25, 1987
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/b5/50/b5505e074140ed42a17ddb3b848e6ed01b59618e1ddbde0e26f4bd7823178e8d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A3FA83E35322BBBC85256CC2000C5BE4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3945SW-D

## ADs that name it (0)

None.

## Approved models (3)

- The Boeing Company 727 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- 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.

Tflnittd Starts of 3mmra Bepartmcnt of ^Transportation —federal Nation administration Supplemental t:uje Certificate SA3945SW-D Ameri can Air! i nes , Inc .

P. 0. Box 51009 Engineering Department Tulsa, Oklahoma 74151 tf4wi^ 4D <£&i& ClVll AlT

•Sl£&u£&/it>-rtA>.

A3WE Boeing 727-23, -35, -123, -223, -227, -2A7 install the Avicom "Audio Information Retrieval System", Model 2010, in accordance with ECO H4001XX dated 9/14/87, and prototype Form 7721/F2 dated 11/17/87. Fabricate and purchase parts per ECO A2006 dated 8/13/87.

This approval should not be incorporated in any aircraft of this specific model until compatability of this modification with other previously approved modifications has been determined by the installer.

^^^^ : February 11, 1987 25 / 1987 A. P. Voeller ,A.t.v^^^_ (Signature) DAS-1SW Coordinator (T,tle)~

illO-J (I0-4t)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

to (Name of transferee) (Address of transferee) f Numbei and street) (City, State, and <Y/> code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, Slate, and gIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- November 25, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b5/50/b5505e074140ed42a17ddb3b848e6ed01b59618e1ddbde0e26f4bd7823178e8d)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.