# STC ST09235SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Associated Air Center, Inc. - c/o CT Corporation System, United States
- Description: Installation of Honeywell TCAS II System with dual Honeywell Primus II Mode S transponders.
- Applied: February 16, 1996
- Status date: December 18, 2017
- Product: Aircraft, Large Multi-Engine
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/3b/ba/3bbab872fca5220250ad0fa80b8ff7321e850ca5e5c60a2e9bedf9ca4df000b4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176596086120230410205326.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09235SC

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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 (8/13) Page 1

Part of the Federal A viation Regulations.

Original Product – Type Certificate Number: MDNH:

MRGHO:

Signature

Title

ST09235SC Associated Air Center, Inc. - c/o CT Corporation System 1999 Bryan Street, Suite 900 Dallas, TX 75201 4b A3WE Boeing 727-100 Installation of Honeywell TCAS II System with dual Mode S transponders in accordance with Associated Air Center Drawing Number 080-00-0000, Revision N, dated March 6, 2001 or later FAA approved revision. FAA approved Airplane Flight Manual Supplement No. R080-016, Revision A, dated April 19, 2001, or later FAA approved revision is required.

Compatibility of this design with previously approved modifications 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.

Certification Basis of this STC refers to Part 4b of the Civil Air Regulations (CAR 4b).

2/16/1996 7/12/1996 12/18/2017 4/19/2001 Jose Mora-Vargas ODA Administrator ODA-710437-SW

FAA Form 8110-2 (8/13) Page 2

To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):

ST09235SC

## Every issue (1)

- December 18, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3b/ba/3bbab872fca5220250ad0fa80b8ff7321e850ca5e5c60a2e9bedf9ca4df000b4)

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