# STC ST00238AT

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: TIMCO, United States
- Description: Installation of Honeywell TCAS II.
- Applied: March 16, 1993
- Status date: December 29, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/d2/48/d2486aff2700b79a9ec6937a23b46a5b5c919810e515d2247dd4c85b74cc0424
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F1C1C565DCC75A118625756D007429C1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00238AT

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-72 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- December 29, 2008: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/d2/48/d2486aff2700b79a9ec6937a23b46a5b5c919810e515d2247dd4c85b74cc0424)

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.