# STC SA2636CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Rockwell International Collins Commercial Avionics, United States
- Description: Install dual Collins TPR-720 Mode S transponders
- Applied: November 10, 1989
- Status date: January 11, 1993
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/39/31/39310c74c6e2016f718a501e862794d4dd3b83dd271e3c70fe57c0805bc80ec3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E59111952930F29C85256CC20008C6B6.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2636CE

## ADs that name it (0)

None.

## Approved models (9)

- 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 747SP 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)

- January 11, 1993: Amended, Current. [certificate](https://openairdocs.org/files/sha256/39/31/39310c74c6e2016f718a501e862794d4dd3b83dd271e3c70fe57c0805bc80ec3)

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