# STC SA2685CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Rockwell Collins Inc, United States
- Description: Install Collins TCAS II.
- Applied: September 12, 1990
- Status date: September 30, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/7a/2c/7a2cec2340387edca822126fa7b2677b335e7e0201881bdf18a83e98bfd1e45f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BB985ACA7FCC2D6586256F71005562CF.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2685CE

## ADs that name it (0)

None.

## Approved models (5)

- McDonnell Douglas Corporation DC-9-81 (MD-81) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-87 (MD-87) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation MD-88 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## 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/sha256/7a/2c/7a2cec2340387edca822126fa7b2677b335e7e0201881bdf18a83e98bfd1e45f)

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