# STC SA2638CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rockwell Collins Inc
- Description: Installation of a single Collins TDR-94D Mode S Transponder and provisions for TCAS-94 system in accordance with Collins Drawing 992-1939, no revision, or later FAA approved revisions.
- Status date: September 5, 1997
- Data sheets: A53EU, A53EU
- Certificate PDF: https://openairdocs.org/files/sha256/9c/b8/9cb8dec6cbd491cffb1e298f0d4df50e9be0f0786d355069fab9476494a62885
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1426C988193608AC8625788B004936BE.0001
- Page: https://openairdocs.org/stc/SA2638CE

## ADs that name it

None.

## Approved models (2)

- Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-200 (TCDS A53EU)
- Aerospatiale (Societe Nationale Industrielle Aerospatiale) ATR42-300 (TCDS A53EU)

## What the certificate says

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

## Every issue (1)

- September 5, 1997: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9c/b8/9cb8dec6cbd491cffb1e298f0d4df50e9be0f0786d355069fab9476494a62885)

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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.