# STC SA4155NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Flight Structures Inc, United States
- Description: Installation of crew bunks. (747-267B)
- Applied: July 30, 1987
- Status date: January 28, 1988
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/92/9f/929f1dcc778bfd8d9bd0c3c487ef3a6dc599f41f1d8b6801362e1f6203720ebf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23184EDF8EBD712F85256CC2000E39EE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4155NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-200B 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.

file som United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4155 NM This certificate issued to: Flight Structures, Inc.

Purt 25 of the Federal Aviation Regulalina (See Type Certificate Data Sheet AZOWE for complete certification basis) Original Product -Type bertificate Number: A2OWE Make: Boeing Model: 747-267B Descriplions/ Type Tsinbhange: Installation of crew bunks in accordance with Flight Structures Master Drawing List No. 86FS112D4, Revision G, dated December 11, 1987, or later FAA-approved revisions.

Limilalins andbinditions to the above model aircraft only; does not include the carpet The approval of this change in type design applies basically installation and requires the concurrent incorporation of Boeing Service Bulletin No.

747-25-2716. 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 interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

A copy of this certificate and Flight Structures Master Drawing List No. 86FS112D4 shall e maaptained as part oi the permanent records of the modified aircraft

Date of Application: July 30, 1981 Date Reissued:

Date of Issuance: January 28, 1988 Date Amended:

FEDERAL AVIATION Day divection of the Ildministrater П.7. Кл Manager, Seattle Aircrate Acting TO RATO Certification Office, ANM-100S (Tille )

## Every issue (1)

- January 28, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/92/9f/929f1dcc778bfd8d9bd0c3c487ef3a6dc599f41f1d8b6801362e1f6203720ebf)

---
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.