# STC ST09081AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Aviation Systems Standards, Aircraft Maintenance and Engineering Division AVN-300, United States
- Description: Installation of an AlliedSignal model CAS-81A Traffic Alert and Collision Avoidance System (TCAS-II).
- Applied: June 4, 1999
- Status date: October 17, 2001
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/85/7d/857d8e8f783c17d53ccdada006748b23c4d0e83c2742c1074564d5948d40acdc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1BA1A6DFE3A1EFCA862581EC005DA50F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09081AC-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.

Chile Plates of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST09081AC-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 Regulalions:

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

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

Installation of an AlliedSignal model CAS-81A Traffic Alert and Collision Avoidance System (TCAS-II). This alteration is to be made in accordance with data list D09081, dated October 17, 2001, or later approved FAA (DAS) revisions.

FAA approved airplane flight manual supplement, AlliedSignal CAS-81A TCAS-II 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.

Date of Application: June 4, 1999 Date Reissued:

Date of Issuance: October 17, 2001 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Brent Bapu (Signature) TAN MISTRATO DAS Coordinator (Title)

## Every issue (1)

- October 17, 2001: Issued, Current. [certificate](https://openairdocs.org/files/sha256/85/7d/857d8e8f783c17d53ccdada006748b23c4d0e83c2742c1074564d5948d40acdc)

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