# STC SA4-1403

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lockheed Martin Aeronautics Company, United States
- Description: Installation of a Lockheed Aircraft Service model 109C flight data recorder.
- Applied: August 10, 1960
- Status date: April 26, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A22](https://openairdocs.org/tcds/4A22)
- Certificate PDF: https://openairdocs.org/files/sha256/c5/80/c58082cbd5dfe7c8aa04e2478d11a50720fd5f7c3805df9d52355329d6c1666c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ABEFB6514884AA35862573060050599C.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4-1403

## ADs that name it (0)

None.

## Approved models (2)

- Lockheed Martin Corporation 188A ([TCDS 4A22](https://openairdocs.org/tcds/4A22))
- Lockheed Martin Corporation 188C ([TCDS 4A22](https://openairdocs.org/tcds/4A22))

## 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.

This Certificate issued to Lockheed Martin Aeronautics Company 36 South Cobb Drive Marietta, Georgia 30063 Part 4b of the Civil Air Regulations.

4A22 Lockheed L-188 Description of Type Design Change: Installation of a Lockheed Aircraft Service Model 109C flight data recorder in accordance with LAS drawing 4009140 and LAS Report No. SDR 4038 dated November 11, 1960, Master List No. 4012734 C dated October 10, 1966.

Limitations and Conditions: This approval should not be extended to other specific aircraft of this model on which other previously approved modifications are incorporated, unless it is determined 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. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : August 10, 1960

Date of issuance : February 20, 1961

Date reissued : Nov. 2, 1999, Mar. 16, 2001, Mar. 15, 2004, Apr. 26, 2004

Date amended : October 13, 1966

( Signature) Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

Number (STC No.)

## Every issue (1)

- April 26, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c5/80/c58082cbd5dfe7c8aa04e2478d11a50720fd5f7c3805df9d52355329d6c1666c)

---
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.