# STC SA2656CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Rockwell Collins Inc, United States
- Description: Installation of Collins traffic alert and collision avoidance system TCAS II, with Kollsman RA/VSI indicator and Collins TA indicator.
- Applied: August 9, 1990
- Status date: September 30, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/a4/49/a449598b06ab3cf025daf0bf8e05145cb0e219f4bd943f852ddeb1570c874e84
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B944FBE91F375AB4862571AE0062DC52.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2656CE

## ADs that name it (0)

None.

## Approved models (8)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B SUD Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SR Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## What the certificate says

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

## Every issue (1)

- September 30, 1999: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a4/49/a449598b06ab3cf025daf0bf8e05145cb0e219f4bd943f852ddeb1570c874e84)

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