# STC SA5856SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of Single or Dual Universal Navigation UNS-1 Flight Management Systems, Dual Universal VLF/Omega
Sensors, and Single Universal Loran C Sensor
- Applied: August 22, 1984
- Status date: January 25, 2017
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/06/e5/06e5a7d0453fd0ce621092d2dd4930a2da26d479887acbb7cd7a2dae93be0e84
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D4ADEF611D789BC18625816300496775.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5856SW

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation BAe.125 Series 800A ([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 SA5856SW Textron Aviation Inc.

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

British Aerospace BAe.125-800A 2 A3EU Installation of Single or Dual Universal Navigation UNS-1 Flight Management Systems, Dual Universal VLF/Omega Sensors, and Single Universal Loran C Sensor in accordance with Arkansas Modification Center Drawing List No.

800-025, Revision K dated 1/8/87, or later FAA approved revision.

FAA Approved Airplane Flight Manual Supplement dated December 18, 1984, Rev. A dated 7/3/85, Rev. B dated 11/22/85, is required for UNS-1 Flight Management Systems; or Supplement dated December 19, 1985, is required for UNS-1 Flight Management Systems and Sensors. Supplement dated 10/31/86, is required for single UNS-1. Supplement dated 1/8/87, is required for program version 15.1. Compatibility of this modification with other previously approved modifications must be determined by the installer.

January 25, 2017 August 22, 1984 December 18, 1984 July 3, 1985; November 22, 1985;

December 19, 1985; October 31, 1986;

January 8, 1987 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)

## Every issue (2)

- January 25, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/06/e5/06e5a7d0453fd0ce621092d2dd4930a2da26d479887acbb7cd7a2dae93be0e84)
- January 8, 1987: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/3b/29/3b294e38c90d015e2bfd2ec45cdca5a29efbe5f75f8cde303f56def7b34d32eb)

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