# STC SA3987NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: California Precision Hydraulics, Inc, United States
- Description: Installation of Piston-shoe assembly, p/n 700003.
- Status date: May 5, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A23WE](https://openairdocs.org/tcds/A23WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/86FF4A1A2D14FCDE85256CC2000C5C4A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3987NM

## ADs that name it (0)

None.

## Approved models (4)

- Lockheed Aircraft Corporation L-1011-385-1 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))
- Lockheed Aircraft Corporation L-1011-385-1-14 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))
- Lockheed Aircraft Corporation L-1011-385-1-15 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))
- Lockheed Aircraft Corporation L-1011-385-3 ([TCDS A23WE](https://openairdocs.org/tcds/A23WE))

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