# STC SA5302NM-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lockheed Martin Aeronautics Company, United States
- Description: Reinforcement of Inertial Navigation System (INS) battery rack and installation of heavier batteries.
- Applied: May 19, 1992
- Status date: April 26, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A23WE](https://openairdocs.org/tcds/A23WE)
- Certificate PDF: https://openairdocs.org/files/sha256/09/f2/09f20d9dd4a4d0d51e28fc73ae155efb0235b3612ccec0c37f4c9a04092bc52a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/744DD0F12040BC1086256F35004FF93D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5302NM-D

## ADs that name it (0)

None.

## Approved models (4)

- Lockheed Aircraft Corporation L-1011-385-1 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))
- Lockheed Aircraft Corporation L-1011-385-1-14 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))
- Lockheed Aircraft Corporation L-1011-385-1-15 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))
- Lockheed Aircraft Corporation L-1011-385-3 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))

## 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.

Number SA5302NM-D

This Certificate issued to Lockheed Martin Aeronautics Company 36 South Cobb Drive Marietta, Georgia 30063 Part 25* of the Federal Aviation Regulations. *(For Certification Basis see T. C. Data Sheet A23WE) Original Product Type Certificate Number :

A23WE

LOCKHEED L-1011-385-1, L-1011-385-1-14, L-1011-385-1-15, L-1011-385-3 Description of Type Design Change Reinforcement of the Inertial Navigation System (INS) battery rack and installation of heavier batteries in accordance with Lockheed Aircraft Service Company drawing B43504001, Rev. N/C, dated May 13, 1992, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in type design applied basically to Lockheed TriStar Models L-1011-385-1, -385-1-14, -385-1-15, and –385-3. 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 the aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. 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 ii

Date of application : May 19, 1992

Date of issuance : December 23, 1992

Date reissued : Aug. 16, 2000, Mar. 15, 2004.

April 26, 2004

( 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/sha256/09/f2/09f20d9dd4a4d0d51e28fc73ae155efb0235b3612ccec0c37f4c9a04092bc52a)

---
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.