# STC SA3971SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Airlines Inc, United States
- Description: Installation of TCAS equipment and wiring provisions
- Applied: May 8, 1991
- Status date: October 3, 1991
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A35EU](https://openairdocs.org/tcds/A35EU)
- Certificate PDF: https://openairdocs.org/files/sha256/14/4a/144a8b3c678d334f723b929ad0bb8cf99fa152a3421a1ed655fdf0399e444538
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3A03A1FDB7C00EF285256CC2000C5C26.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3971SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Airbus A300 F4-605R ([TCDS A35EU](https://openairdocs.org/tcds/A35EU))

## 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.

tinted £tatu of anrtca Bcpartment of fcransportarton-jNeral atnation Administration Supplemental 'Cuje Certificate SA3971SW-D American Airlines, Inc.

P. O. Box 582809 MD208 Tulsa, Oklahoma 74158-2809 w^fo;t1yfi0dcAtamfc>r-4w^c>€%c«vivwfi4wctJU^ i,^*^^^^^^^^ ^^>^^ 25 y^Federal Aviation MriavmU'cfcvetuet——>-Jy^U'~v:Ji4i^tfi4M4e*Jiit*n0e*-: A35EU

AIRBUS INDUSTRIE A300B4-605R >nae' :

Installation of TCAS equipment and wiring provisions per ECO E0204XX, dated 6/27/91 and one Prototype Form 7721/F2 dated 7/19/91.

Installation of additional TCAS wiring provisions and activation per ECO E0204AX, dated 8/2 1/9 1 and one Prototype Form 772 1/F2, dated 1 0/2/9 1 , or later DAS 1 SW approved revision.

This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with other previously approved modifications has been determined by the installer. The Bendix/King CAS-81 TCAS requires FAA approved American Airlines, Inc. AFM AAL Supplement 1 (US AAB4.605R) dated 9/30/91 and approved 10/3/91.

&r?ru<na& 8, 1991 ?/ July 19, 1991 ly-*-. — "**</ October3, 1991, Amendment 1

• SJ.usj (Signature) DAS1SW Coordinator (Title)

This certificate may be transferred in accordance with FAR 21.17.

FAA fo*M SI 10-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Slate, and ZJP code) from (Name of grantor) (Print or type), (Address of grantor) (Number and street) ( City, Slate, and ^IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- October 3, 1991: Amended, Current. [certificate](https://openairdocs.org/files/sha256/14/4a/144a8b3c678d334f723b929ad0bb8cf99fa152a3421a1ed655fdf0399e444538)

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