# STC SA5473NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of Racal Aeronautical satellite telephone communications(Satfone) system.
- Applied: March 21, 1991
- Status date: January 15, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/4b/74/4b74b98331b3f1b461f5574c8abdf705913d8262624da36953f9d29ecfc24c66
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3900C4EA31431ECA86257545006713D6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5473NM

## ADs that name it (0)

None.

## Approved models (5)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400F 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: SA5473NM This certificate issued to: Honeywell International Inc.

23500 West 105th Street Olathe, Kansas 66061 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereen meets the airworthiness requirement's of Part *25 of the

•Federal Aviation Regulations. *for certification basis see Type Certificate Data Sheet A20WE Original Product Type Certificate Number: A20WE Make: Boeing Model: 747-100, -200, -200C, -300, -400, -400F Series Description of Type Design Change: Installation of Honeywell/Racal Aeronautical Satellite Communication System in accordance with FAA Approved Honeywell Master Data List (MDL), Engineering Specification No. ML4075075, Revision B, or later FAA approved revisions of this specification.

Applicable FAA Approved Honeywell Inc. Airplane Flight Manual Supplements are listed in Honeywell MDL called out above.

Limitations and Conditions: See Continuation Sheet 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 21, 1991 Date Reissued: January 15, 2009 Date of Issuance: September 20, 1991 Date Amended: April 29, 1993, July 15, 1993, October 5, 1993, January 22, 1996 FEDERAL AVIATION By Direction of the Administrator Signatur Supervisor, Technical and Administrative Support Staff TOMINISTRATIO Los Angeles Aircraft Certification Office

TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number_ to (Name of transferee) (Address of transfer) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- January 15, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4b/74/4b74b98331b3f1b461f5574c8abdf705913d8262624da36953f9d29ecfc24c66)

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