# STC SA3082SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rockwell Collins Inc, United States
- Description: Installation of dual Collins TPR-720 Mode S transponders.
- Applied: October 28, 1991
- Status date: December 12, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/4a/4b/4a4b554edf3f31fea83bb4a8f48927b753c2f24e6d4bc3563fd4e933d0de41db
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D636157162D89F9886256F710056B081.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3082SO

## ADs that name it (0)

None.

## Approved models (5)

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

- December 12, 1997: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4a/4b/4a4b554edf3f31fea83bb4a8f48927b753c2f24e6d4bc3563fd4e933d0de41db)

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