# STC SA4200WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Texas Intl Airlines, United States
- Description: Installation of a stall warning comparator system and AD 78-23-06 compliance for McDonnell Douglas DC-9-10 aircraft.
- Applied: September 17, 1979
- Status date: July 25, 1980
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/75/50/7550b304b90e1876c75ceae2f4c813686e537fa8243d05251d0aef22ba440b7a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/008B7FE4EF530AA385256CC2000E3A68.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4200WE

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-9-10 Series ([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 SAA200WE This certificate issued to: Texas International Airlines Certifies that the change in the type design for the fulliving product with the limitations and conditions thorefor as specified hereen meels the airwonthiness reguirements of Purt *Ab of the Regulations: *See Type Certificate Data Sheet No. AGWE Original Product - Type berlificate Number: AGWE Make: McDonnell Douglas Model: DC-9 Series 10 Description of Type Design Change: Installation of a Stall Warning Comparator System and AD 78-23-06 Compliance for McDonnell Douglas DC-9 Series 10 aircraft in accordance with FAA Sealed Texas International Airlines Top Drawing No. 1-12295 Rev. A or later FAA sealed revisions.

Texas International Airlines Flight Manual Supplement, Document No. 1-12419 FAA approved on McDonnell Douglas DC-9 Series 10'Airplane Flight Manual is required with this July 25, 1980 or later approved revisions to FAA approved modification.

timilalins andbandilions: The approval of this change in type design applies to McDonnell Douglas DC-9 Series 10 airplanes only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

Date of Application: September 17, 1979 I ule missued:

Vale issuance: JUlY 25, 1980 Date Amended:

FEDERAL AVIATION By directinest thd./dministrater TOMINISTRANO Acting Chief, Aircraft Engineering Division (Title)

47.

## Every issue (1)

- July 25, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/75/50/7550b304b90e1876c75ceae2f4c813686e537fa8243d05251d0aef22ba440b7a)

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