# STC SA5314NM-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Lockheed Martin Aeronautics Company, United States
- Description: Modification and installation of Hughes-Avicom Video Display Unit Consoles, P/N 612630 and 612640.
- Applied: February 21, 1995
- Status date: April 26, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/47/1b/471bfa715134b626083575aad41d6f03ccd6d63d97b6878a2c4a53004a3df846
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8D7540D905ECB0E786256F35005042B2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5314NM-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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 SA5314NM-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 A20WE) Original Product Type Certificate Number :

A20WE BOEING 747-400 Series Description of Type Design Change Modification and installation of Hughes-Avicom Video Display Unit Consoles, P/N 612630 and P/N 612640, in accordance with Lockheed Aircraft Service Company Master Drawing List R54040008, Rev. -, dated April 22, 1995, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in type design applied basically to Boeing Model 747-400. 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 permission.

Date of application : February 21, 1995

Date of issuance : April 24, 1995

Date reissued : Sep. 12, 2000, Mar. 15, 2004, Apr. 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/sha256/47/1b/471bfa715134b626083575aad41d6f03ccd6d63d97b6878a2c4a53004a3df846)

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