# STC SA81SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Array Paul S., United States
- Description: Installation A, B, C or D of Continental engines and Hartzell HC-82 XF-2B/8433-2 or HC-82 XF-2B/8433-4 props, increase in take-off and landing gross wt. To 4840 lbs.
- Status date: December 13, 2001
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-734](https://openairdocs.org/tcds/A-734)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E3BAADA70B8AC22885256CC20058E67D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA81SO

## ADs that name it (0)

None.

## Approved models (2)

- Gulfstream Aerospace Corporation G-44 Series ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream Aerospace Corporation G-44A ([TCDS A-734](https://openairdocs.org/tcds/A-734))

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