# STC SA516EA-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: American Airlines Inc, United States
- Description: Install 30 hz. choke in Bendix Course Indicator P/N 7236-2A12-A2
- Applied: July 31, 1967
- Status date: June 3, 1968
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21), [TCDS 4A26](https://openairdocs.org/tcds/4A26), [TCDS 4A28](https://openairdocs.org/tcds/4A28), [TCDS 4A22](https://openairdocs.org/tcds/4A22)
- Certificate PDF: https://openairdocs.org/files/sha256/14/46/14468714e24a0e884d00b7ce56db756788065ca82860c34ec529d796c5c7c9e2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/62D25A33012065E486257E7300527A3B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA516EA-D

## ADs that name it (0)

None.

## Approved models (5)

- Lockheed Martin Corporation 188A ([TCDS 4A22](https://openairdocs.org/tcds/4A22))
- The Boeing Company 707-100B Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-100B Short Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-300C Series ([TCDS 4A26](https://openairdocs.org/tcds/4A26))
- The Boeing Company 720B Series ([TCDS 4A28](https://openairdocs.org/tcds/4A28))

## What the certificate says

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

Federal Sulation Agency Supplemental Type Certificate Number 5: 52629-7 This certificate issued to: American Airlines, Inc.

Maintenance and Engineering Center Tulsa, Oklahoma Part 25| of the Federal Sviation Regulations:

Original Product -- Type bortificate Number: 4A21 4A25 4A28 4A22 Make: Boeing Boeing Boeing Lockheed Model 707-123B 707-3230 720B-023 188A-08 Description of Type Design Change:

Install 30 Hz. choke in the Bendix course indicator P/N 7236-2A12-A2 in accordance with American Airlines ECO A. 01311C and Drawings listed in the Limitations and Conditions:

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

. C. Keene DASIEA Coordinator (Title) 000, or imprisonment not exceeding 3 years, or both

**FAA FORM 8110-2 (1-66) 0052-557-6000**

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transfere) (Number and street) (City, State, and Z1P 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) :

## Every issue (1)

- June 3, 1968: Amended, Current. [certificate](https://openairdocs.org/files/sha256/14/46/14468714e24a0e884d00b7ce56db756788065ca82860c34ec529d796c5c7c9e2)

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