# STC SA8149SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of a dual Universal UNS-1b flight management system, with one radio tune unit, two VLF/Omega sensors, and one or two optional GPS sensor.
- Applied: July 26, 1991
- Status date: September 1, 2017
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/11/61/116103dfbb05352b468a51949ddaabcef727723e6c6b4a0aabce3cc802d66f1c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F607AC38F28681A0862581CD0065EACE.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8149SW

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company BAe.125 Series 800A (C-29A; U-125) ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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

Part of the

Signature

Title SA8149SW Textron Aviation Inc.

One Cessna Boulevard Wichita, KS 67215 4b Civil Air Regulations.

Raytheon Aircraft Company BAe 125-800A; Hawker 800; Hawker 800XP Installation of a Dual Universal UNS-1b Flight Management System with one Radio Tune Unit, two VLF/Omega Sensors, and one or two optional Global Positioning System Sensor(s) in accordance with Arkansas Aerospace Drawing List 800-127-1, Revision N, dated 10/31/95, or later FAA approved revision. FAA approved Airplane Flight Manual Supplement dated 12/11/91, or later FAA approved revision, is acceptable for UNS-764 VLF/Omega sensor and optional UNS-764-1 VLF/Omega/GPS sensor. Supplement dated 5/5/94, or later FAA approved revision is required for systems that include the optional GPS-950 sensor.

(see continuation sheet 3 of 3) 3 A3EU Compatibility of this modification with previously installed equipment must be determined by the installer. 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.

March 4, 2003; September 1, 2017 August 21, 1995; December 1, 1995 July 26, 1991 December 11, 1991 Mark Fuller STC ODA administrator ODA-100129-CE

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

To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 3 of

Date of Issuance: December 11, 1991 Date Amended: December 1, 1995 Date Reissued: September 1, 2017

Description of Type Design Change (continued):

Supplement dated 10/19/94, or later FAA approved revision, is required with UNS-1B software program version 403.x.

Supplement dated 12/15/94, or later approved revision, is required for GPS Sensor GPS-1000 and UNS-1B software version

404.x. Supplement dated 8/21/95, or later FAA approved revision, is required with UNS-1b software version 405.x. and GPS-1200. Supplement document 800-238 Revision A, dated 12/1/95 or later FAA approved revision is required.

-- END -- 3 SA8149SW

## Every issue (2)

- September 1, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/11/61/116103dfbb05352b468a51949ddaabcef727723e6c6b4a0aabce3cc802d66f1c)
- March 4, 2003: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8a/28/8a28620c2ed8c03a2b92f835e42a37d122cc399971b6d2cb4e9fa70ae4a92440)

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