# STC SA377CH

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Hartzell Propeller Inc, United States
- Description: Installation of Hartzell propeller model HC-D4N/3P/D9511F(K)/ D-630.
- Status date: August 10, 1995
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 7A15](https://openairdocs.org/tcds/7A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CE7D4A65B4DDFD4585256CC2000C5A69.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA377CH

## ADs that name it (0)

None.

## Approved models (3)

- Pilatus Aircraft Limited PC-6/B1-H2 ([TCDS 7A15](https://openairdocs.org/tcds/7A15))
- Pilatus Aircraft Limited PC-6/B2-H2 ([TCDS 7A15](https://openairdocs.org/tcds/7A15))
- Pilatus Aircraft Limited PC-6/B2-H4 ([TCDS 7A15](https://openairdocs.org/tcds/7A15))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.