# STC SA4905NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Flight Structures Inc, United States
- Description: Installation of new passenger seats, relocation of a class divider, passenger service units and floor proximity lighting system
- Applied: February 19, 1990
- Status date: March 8, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/5d/c35d730e3ed905ec7596d3faa6fc8011f94958ba5d23c4c774ab73bd7e781cd1
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E27D59814C892F4C85256CC2000E3F88.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4905NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## What the certificate says

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

Aile Room United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4905NM This certificate issued to: Flight Structures Inc.

Purt 25 of the Federal Aviation Regulations: (See Type Certificate Data Sheet AZOWE for complete certification basis) Original Product -Type Certificate Number: AZOWE Make: Boeing Model: 747-357 Description of Type Design Change: Installation of new passenger seats, relocation of a class divider, passenger service units and tloor proximity lighting system, in accordance with FAA-approved Flight Structures Master Drawing List Number 89FS115-1, Revision A, dated March 7, 1990, or later FAA-approved revisions.

Limilalins and bundilions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, and FAA Approved Flight Structures Master Drawing List 89FS115-1 shall be maintained as part of the permanent records for the modified aircraft.

FEDERAL AVIATION By Direction of the Administrator ( Signature) TOMINIST RAN ON Assistant Manager, Seattle Aircraft Certification Office (Title)

47.

## Every issue (1)

- March 8, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c3/5d/c35d730e3ed905ec7596d3faa6fc8011f94958ba5d23c4c774ab73bd7e781cd1)

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