# STC ST00291AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Panasonic Avionics Corporation, United States
- Description: Installation of a Matsushita Avionics In-Seat Video System Retrofit for A-Zone First Class Seating.
- Applied: March 13, 1993
- Status date: June 5, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/4d/57/4d57c3bc5f6fd8f917bb7084faebf16b5b133fa05a2056d5a3343a36017cfe3a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0C780044A0C73B7A86257A2A00699483.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00291AT

## 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.

NumberST00291AT

This certificate, issued to: Panasonic Avionics Corporation 22333 29 th Drive SE Bothell, WA 98021 Part 25 of the Federal Aviation Regulations.

Original ProductType Certificate Number: A20WE Make: Boeing Model: 747-400

Description of the Type Design Change: Installation of a Matsushita Avionics Systems (MAS) In-Seat Video System Retrofit for A-Zone First Class Seating in accordance with MAS Drawing List DL10036-01, Revision B, dated January 21, 1994, or later FAA approved revision.

Limitations and Conditions: 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 produce no adverse effect upon the airworthiness of that airplane.

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: March 13, 1993 Date reissued: April 6, 1994, June 5, 2006 Date of issuance: February 16, 1994 Date amended: June 5, 2006

**FAA FORM 8110-2(10-68**

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- June 5, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4d/57/4d57c3bc5f6fd8f917bb7084faebf16b5b133fa05a2056d5a3343a36017cfe3a)

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