# STC ST00239AT

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: TIMCO
- Description: Installation of three UNS-1B flight management systems.
- Status date: December 29, 2008
- Data sheets: 4A25
- Certificate PDF: https://openairdocs.org/files/sha256/1c/57/1c573f59ad24a9e7dd722f7df18846057b13e276ae1dcb254c80582f35581025
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6143651C6224CE6E8625756D00742976.0001
- Page: https://openairdocs.org/stc/ST00239AT

## ADs that name it

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-72 (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/sha256/1c/57/1c573f59ad24a9e7dd722f7df18846057b13e276ae1dcb254c80582f35581025)

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