# STC ST00373SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Flight Structures Inc, United States
- Description: Installation of one aditional 114 cubic foot oxygen bottle in the lower forward lobe.
- Applied: August 1, 1996
- Status date: September 19, 1996
- 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/c7/1f/c71fd1d3562f2f12af4d7a2206fdc904f69c46a0f0f01859922c1366ff47664a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9F6A74F283F0734485256CC2006A730C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00373SE

## 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

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: ST00373SE This certificate issued to: Flight Structures, Inc.

4407 172nd Street NE.

Arlington, WA 98223 Part 25 of the Porqulations Regulations.

Original Product Typo Certificate Number: A20WE Make: Boeing Model: 747-400 Description of Type Design Change: : Installation of one additional 114 cubic foot oxygen bottle in the lower forward lobe in accordance with Flight Structures, Inc. Master Drawing List 96FS647-DO1 Revision IR, dated September 6, 1996, or a later FAA approved revision.

Limitations and Conditions: The approval of this change in type design applies basically to the above model aircraft only. This project should not be extended to other aircraft of this model on which other previously-approved modifications are incorporated unless it is determined that the interrelationships between this change and any other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and FAA-approved Flight Structures, Inc. Master Drawing List 96FS647-DO1 shall be maintained as part of the permanent records of the modified aircraft.

Date of Application: August 1, 1996 Date Reissued:

Date of Issuance: September 19, 1996 Date Amended:

FEDERAL AVIATION 12 addita (Signature) ADMINISTRATIO Aircraft Certification Office Acting Manager, Seattle (Title)

## Every issue (1)

- September 19, 1996: Issued, Current. [certificate](https://openairdocs.org/files/sha256/c7/1f/c71fd1d3562f2f12af4d7a2206fdc904f69c46a0f0f01859922c1366ff47664a)

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