# STC SA709EA

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lockheed Martin Aeronautics Company, United States
- Description: Installation of floor structure and miscellaneous modifications. Is approved only for its structural and electrical provisions and can be incorporated with STC SA707EA and SA708EA.
- Applied: October 30, 1968
- Status date: April 26, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS 4A22](https://openairdocs.org/tcds/4A22)
- Certificate PDF: https://openairdocs.org/files/sha256/76/7c/767c9fa272c138a11ec0ec36ba04b1de7edb4e119c779bb3a4fe11e53f55c4bd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B7C29D52AC47F11E862570D7007793C1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA709EA

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft 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 North Cobb Drive Marietta, Georgia 30063 Part 25 of the Federal Aviation Regulations and Part 4b of the Civil Air Regulations.

4A22 Lockheed 188C Description of Type Design Change: Installation of Floor Structure and miscellaneous modifications in accordance with Lockheed Aircraft Service Company Report #3608 dated 10/16/68, Revised 12/12/68.

Limitations and Conditions: This modification is approved only for its structural, and electrical provisions and can be incorporated with STC SA707EA and STC SA708EA.

This approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse effect upon the airworthiness of the 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 : October 30, 1968

Date of issuance : December 17, 1968

Date reissued : Mar. 20, 1974, Nov. 2, 1999, Mar. 16, 2001, Mar. 15, 2004, Apr. 26, 2004 Date amended :

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

## Every issue (1)

- April 26, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/76/7c/767c9fa272c138a11ec0ec36ba04b1de7edb4e119c779bb3a4fe11e53f55c4bd)

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