# STC ST09085AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Systems Standards, Aircraft Maintenance and Engineering Division AVN-300, United States
- Description: Installation of the dual Universal UNS-lF FMS (SCN 901.2). The dual UNS lF FMS consists of two flat panel super control display units (FPCDU), 
two navigational computer units (NCU), two GPS antennas, one radio tuning unit (RTU), and one data transfer unit (DTU).
- Applied: February 4, 2000
- Status date: October 19, 2001
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/dd/cf/ddcf117d3bc94f44b19a1cf38bc910170f34d8890e97100198c3adb16b033598
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/456F2D7A091C32CF862581EC005DA52F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09085AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. BAe.125 Series 800A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Child Sales of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST090852C-D This certificate issued to: Aviation System Standards Flight Inspection Maintenance Division, AVN-300 6500 S. MacArthur Boulevard Oklahoma City, OK 73169 Part 25 of the Federal Aviation Regulations.

Original Product - Type Cerlificate Number: ABEU Make: Raytheon Aircraft Co.

Model: BAe. 125 Series 800A Description of Type Design Change:

Installation of the dual Universal UNS-1F FMS (SCN 901.2). The dual UNS- 1F FMS consists of two flat panel super control display units (FPCDU), two navigational computer units (NCU), two GPS antennas, one radio tuning unit (RTU), and one data transfer unit (DTU). This alteration is to be made in accordance with FAA Data List D09085, dated October 17, 2001 or later approved FAA (DAS) revisions.

FAA approved airplane flight manual supplement, ¿¿For Raytheon Aircraft Co. Model BAe. 125 Series 800A With UNS-1F Flight Management System," dated October 17, 2001 is required. Compatibility of the alteration with other approved alterations is to 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.

Dalc opapplicalion: February 4, 2000 Date Reissued:

Date of Issuance: October 19, 2001 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Bren + Rogers (Signature) TOM MIS TRAITO DAS Coordinator (Title)

## Every issue (1)

- October 19, 2001: Issued, Current. [certificate](https://openairdocs.org/files/sha256/dd/cf/ddcf117d3bc94f44b19a1cf38bc910170f34d8890e97100198c3adb16b033598)

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