# STC SA3941NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: California Precision Hydraulics, Inc, United States
- Description: Installation of piston-shoe subassembly, P/N 700001.
- Status date: December 6, 1996
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/24C312171CEAA00A85256CC2000C5BD8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3941NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 707-100B Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-100B Short Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))

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