# STC ST15CH-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Duncan Aviation Inc, United States
- Description: Installation of a Bendix/King CAS-81 TCAS II System with dual MST-67A Mode S Transponders. Installed in accordance with Duncan Aviation Master Drawing List KA9205-DRW, revision D dated March 17, 2006 or later FAA approved revision.
- Applied: May 29, 1992
- Status date: September 25, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A46EU](https://openairdocs.org/tcds/A46EU)
- Certificate PDF: https://openairdocs.org/files/sha256/70/8d/708d276edf7e861a8719f48121612c01cc017d0c286698f8739488e52b24a889
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/198784984FB75AF68625798400762388.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST15CH-D

## ADs that name it (0)

None.

## Approved models (1)

- Dassault Aviation Mystere-Falcon 900 ([TCDS A46EU](https://openairdocs.org/tcds/A46EU))

## 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.

Part 25 of the Federal Aviation Regulations. See Type Certificate Data Sheet No. A46EU for complete certification basis.

Installation of a Bendix/King CAS-81 TCAS II System with dual MST-67A Mode S Transponders. Installed in accordance with Duncan Aviation Master Drawing List KA9205-DRW, revision D dated March 17, 2006 or later FAA approved revision.

1. FAA approved Airplane Flight Manual Supplement, DA0004-01R, Revision Ø, dated May 19, 2000 FAA approved May 19, 2000, or later FAA approved revision is required.

2. A copy of this Certificate and Flight Manual Supplement must be maintained as part of the permanent records of the modified aircraft.

3. Compatibility of this design change with previously approved modifications must be determined by the installer.

4. 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.

Duncan Aviation Inc.

3701 Aviation Rd.

Lincoln, NE 68524 A46EU Make : Dassault-Aviation Model : Mystere-Falcon 900 Date of application : May 29, 1992

Date of issuance : December 08, 1992 Date reissued : May 19, 2000, September 25, 2008

Date amended : May 19, 2000, April 24, 2006

Original signed by Steve Simpson

( Signature) Steven K. Simpson DAS Administrator, DAS-501013-CE Duncan Aviation, Lincoln, Nebraska

( Title)

Transfer the ownership of Supplemental Type Certificate Number

to (Name of transferee)

(Address of transferee) (Number and street)

(City, State, and Zip code)

from (Name of grantor) (Print or type)

(Address of grantor) (Number and street)

(City, State, and Zip code)

Signature of grantor (In ink):

## Every issue (1)

- September 25, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/70/8d/708d276edf7e861a8719f48121612c01cc017d0c286698f8739488e52b24a889)

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