# STC SA2654CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Rockwell International Collins Commercial Avionics, United States
- Description: Replace existing Mode S transponder with Collins TCAS compatible Mode S transponder.
- Applied: September 9, 1990
- Status date: September 5, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/2c/09/2c096c862a8d69a92ef0d39fa5142724a10117e042fa11db1b69b9b1903272ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23C6BE5CE962838A85256CC20008C6E6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2654CE

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2654CE This certificate issued to: Rockwe11 International Collins Avionics Group 400 Collins Road Cedar Rapids, IA 52498 Purt 25 of thE ederal Aviation Regulations:

Original Product -TypeCentificate Number: A2OWE Make: Boeing Model: 747-400 Description of Type Design Change:

Replace existing Mode S Transponder with Collins TCAS Compatible Mode S Transponder per Collins Drawing Index 992-1945, no revision, or later FAA approved revisions.

Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Date of Application: August 9, 1990 Date Reissued:

Date of Issuance: September 5, 1990 Date Amended:

FEDERAL AVIATION By Direction of the Administrator # nal Signed By Lawrence A. Herron (Signature ) Lawrence A. Herron, Manager Wichita Aircraft Certification Office (Title)

47.

## Every issue (1)

- September 5, 1990: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2c/09/2c096c862a8d69a92ef0d39fa5142724a10117e042fa11db1b69b9b1903272ae)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.