# STC SA1852SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rockwell Collins Inc, United States
- Description: Installation of dual FD-109 flight director/AP-105 autopilot, 54W-1C comparator, dual ALT-50 radio altimeter, dual MC-103 compasses, dual ILS-70/Bendix RVA33A VOR/ILS, 51Z-4 marker, dual 860E-3 DME, dual DF-203 ADF, 621A-6 transponder, 621A-3 transponder, dual 346B-3 audio system, AVQ-10 radar, and IDC air data system.
- Status date: April 24, 2000
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A17](https://openairdocs.org/tcds/1A17)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AE225C2C9B0F51C385256CC10083D1A5.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1852SW

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-159 ([TCDS 1A17](https://openairdocs.org/tcds/1A17))

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