# STC SA4273NM-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Installation of Bendix/King CAS-81 TCAS II Collision Avoidance System with Dual Bendix/King MST-67A Mode S Transponder Systems.
- Status date: August 30, 1993
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/27039B837DB57B5785256CC2000E3B12.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4273NM-D

## ADs that name it (0)

None.

## Approved models (4)

- Gulfstream Aerospace Corporation G-1159 ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation G-1159 Series ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation G-1159B ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

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