# STC SA4771NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Panasonic Avionics Corporation, United States
- Description: Installation of Matsushita Avionics Systems (MAS) passenger audio entertainment system and passenger service control systems.
- Applied: June 12, 1989
- Status date: June 5, 2006
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A23WE](https://openairdocs.org/tcds/A23WE)
- Certificate PDF: https://openairdocs.org/files/sha256/a0/57/a057ebd74aed5303df80814933a6e05b17fe597263d29e498ead80ceab8b9e6d
- Approved model list and other attachments: [SA4771NM AML.pdf](https://openairdocs.org/files/sha256/cc/7f/cc7f12efbb5e70e748989a2456daa23289b42f18d21eb4c914ff0fe1f3abc8a0)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/57DC5C9EF1D54A03862579C200473184.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4771NM

## ADs that name it (0)

None.

## Approved models (1)

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

## What the certificate says

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4771NM This certificate issued to: ; Panasonic Avionics Corporation 22333 2gth Drive SE Bothell, WA 98021 Part 25 of the Federal Aviation Regulations.

Original Product - Sype Certificate Number: A23WE Make: Lockheed Model: L-1011-385-1 Description of Type Design Change: Installation of Matsushita Avionics Systems (MAS) Passenger Audio Entertainment System and Passenger Service Control Systems defined by the Work Statements listed on Approved Model List Number SA4771NM.

Limitations and Conditions: The approval of this change applies to the aircraft models listed on approved model list number SA4771NM and should not be extended to other specific models of these airplanes on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. A copy of this Certificate shall be maintained as a part of the permanent records for 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: June 12, 1989 Date Reissued: March 3, 1993, June 5, 2006 Date of Issuance: September 12, 1989 Date Amended: June 5, 2006 FEDERAL AVIATION of the SIdministrator d (Signature)

TOMINIST RATION Acting Manager, Seattle Aircraft Certification Office (Title)

### SA4771NM AML.pdf

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

FAA APPROVED AIRPLANE MODEL ELIGIBILITY LIST NUMBER SA4771NM FOR Panasonic Avionics Corporation Matsushita Avionics Systems (MAS) PES/PSS Model MAS-10079-02-001 Issue Date: September 28, 1989 Reissued Date: June 5, 2006 Item Aireraft Original Certification FAA Approved Drawings/ AFM AML Comments Make Basis for Drawing List Supplement Amendment and Certificate Number Alteration Number Date Model Number Rev. Date Lockheed A23 WE FAR 25 MAS-10079-02-001 A N/A September 28, 1989 MAS Model MAS-10079-02-001 L-1011-385-1 Project ANM-100S-1170 AA Approved:

Acting Manager, Seattle Aircraft Certification Office

## Every issue (1)

- June 5, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a0/57/a057ebd74aed5303df80814933a6e05b17fe597263d29e498ead80ceab8b9e6d), [SA4771NM AML.pdf](https://openairdocs.org/files/sha256/cc/7f/cc7f12efbb5e70e748989a2456daa23289b42f18d21eb4c914ff0fe1f3abc8a0)

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