# STC SA501NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AAR Airframe and Accessories Group, United States
- Description: Installation of McCauley D3A32C90/82NC-2 on an airplane equipped with a Continental IO-520-D engine.
- Status date: July 22, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AC2C58F066BE9C2085256CC20012260E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA501NW

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- The Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

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