# STC SA911SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mitsubishi Heavy Ind Ltd, Japan
- Description: Electronics installation for Category II operation including Kollsman servoed altimeter, Fairchild 5424-502 flight data recorder Fairchild A-100/A-152 cockpit voice recorder, emergency radio power system, flight instrument emergency power system, Sperry Phoenix SP-50F autopilot and Bendix ALA-51A radio altimeter system.
- Status date: November 8, 1982
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1PC](https://openairdocs.org/tcds/A1PC)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AB91095151193A9F85256CC20058EA3D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA911SW

## ADs that name it (0)

None.

## Approved models (2)

- Mitsubishi Heavy Industries Ltd. YS-11A-200 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))
- Mitsubishi Heavy Industries Ltd. YS-11A-500 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))

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