# STC SA5891NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ACSS (Aviation Communication and Surveillance Syst, United States
- Description: Replacement and installation of Honeywell Traffic Alert and Collision Avoidance System part number 4066010-902 with 4066010-903 Mod B.
- Status date: February 28, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BCC385984BF110CC85256CC200122C3C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5891NM

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation MD-11 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

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