# STC SA5549NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of Honeywell/ Racal Aeronautical satellite communications system.
- Applied: December 17, 1991
- Status date: March 9, 2020
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/ce/cb/cecbf3427f5c1fcb941415eff25a3ebe39f60836fc08449b3b2dc32f4417280c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/83D58FF12EC74A38862586020067B106.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5549NM

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200 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))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2 Number: SA5549NM This certificate issued to: Honeywell International Inc.

21111 N 19th Ave Phoenix, Arizona 85027 Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Boeing A20WE Model: 747-100, -200, -300, -400 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. ML4076773, Revision B, or later FAA approved revision of this specification.

1) Approval of this change in typ e design applies only to the above listed Boeing Models when installation provisions for this communications system have been installed/approved by either this Supplemental Type Certificate (STC) or by other STCs listed in applicable appendices to the MDL.

2) This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is found by the installer that the interrelationship between this change and any of those other previously approved modifications causes no adverse effect upon the airworthiness.

3) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the person written evidence of that permission.

Date of Application: December 17, 1991 Date Reissued: January 15, 2009, March 9, 2020 Date of Issuance: April 24, 1992 Date Amended: July 22, 1993, February 23, 1994 By Direction of the Administrator Signature Richard B. Sleigh Title ODA Administrator, ODA-602216-NM

FAA Form 8110-2 (5/14) Page 2 of 2

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

## Every issue (2)

- March 9, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ce/cb/cecbf3427f5c1fcb941415eff25a3ebe39f60836fc08449b3b2dc32f4417280c)
- January 15, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/f4/fc/f4fca64af9bea5609f7f0450132d1c29c3cb65c5226cab8d2db3163fa364cbbf)

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