# STC SA422EA-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Airlines Inc, United States
- Description: Installation of dual Collins AL-101 low range radio altimeter
- Applied: November 7, 1967
- Status date: July 8, 1968
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A5EU](https://openairdocs.org/tcds/A5EU)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/3b/c93b50e40c4dd005ec19be5dc94c40866a5e151be961e2b11fff72ec7a0b7e89
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1ADD8E6BE61DB35186257DFC0058A2FA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA422EA-D

## ADs that name it (0)

None.

## Approved models (1)

- Airbus BAC 1-11 400 Series ([TCDS A5EU](https://openairdocs.org/tcds/A5EU))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Federal Aviation Agency Supplemental Type Certificate Number DAS SIC 5142EA-D This certificate issued to: American Airlines, Inc.

633 Third Avenue New York, New York 10017 Parl. 5| (CAR 4b) of the Federal Aviation Regulations.

Original Product - Type bortificate Number: A SEU Make: British Aircraft Corporation Model: 1-11/401/AK Description of Type Design Change: .

nstallation of dual Collins AL 101 low range radio altimeter in accoraance wt American Airlines ECO U.00245B dated February 8, 1968 and drawings listed in the ECO. This installation requires the American Airlines ARB approved Flight Manual VS 6.4 with the FAA approved supplement AAL No. 1.

This approval should not be extended to other specific aircraft of this model on which other approved modifications are incorporated, unless it is determined that interrelationship between this change and any of those other previously incorporated approved modifications will introduce no adverse affect upon the airworthiness of that aircraft.

Date of Application: NOV. 7, 1967 Date Reissued:

Date of Issuance: March 29, 1968 Date Amended: July 8, 1968 FEDERAL • AGENC By dime tion of the Seninistatter Leilin WITED STATES O AMERICA DASTEA Coordinator (Title) 47 FAA FORM 8110-2 (1-66) 0052-657-6000

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) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink] :

Page 2 01 L

## Every issue (1)

- July 8, 1968: Amended, Current. [certificate](https://openairdocs.org/files/sha256/c9/3b/c93b50e40c4dd005ec19be5dc94c40866a5e151be961e2b11fff72ec7a0b7e89)

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