# STC SA3967SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Installation and activation of predictive windshear (AWAS III) provisions.
- Applied: December 19, 1989
- Status date: September 28, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/49/b3/49b36cc96249fb5751479db39f62024ff0f9963c22e240d9da447eb11151f2d6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/637854E9328BCD0D85256CC2000C5C16.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3967SW-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## 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: SA39675W-D This certificate issued to: American Airlines P.O. Box 582809 MD 208 Tulsa, Oklahoma 74158-2809 Purt 25 of the Federal Aviation Regulations.

Original Product -Type Certificate Number: AGWE Make: McDonnell Douglas Model: DC 9-82 Description of Type Design Change:

Installation and activation of Predictive Windshear (AWAS III) provisions per ECO K1518AX, dated 8-31-90, and 4 Prototype/Revision Forms 7721/F2, dated 9-25-90, or later DASIS 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.

Date of Application: December 19, 1989 Jule missued:

Diale ef issuance: September 28, 1990 Jale umended:

FEDERAL AVIATION By Direction of the Administrator (Signature)

DASISA COORDINATOR (Titie )

47.

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

Signature of grantor (In ink): _

## Every issue (1)

- September 28, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/49/b3/49b36cc96249fb5751479db39f62024ff0f9963c22e240d9da447eb11151f2d6)

---
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.
