# STC SA1812NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Johnston Aircraft Svc, Inc, United States
- Description: Installation of recontoured wing leading edges.
- Status date: November 24, 1982
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10SO](https://openairdocs.org/tcds/A10SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/17F8708F74086A2D85256CC10083D0FC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1812NM

## ADs that name it (0)

None.

## Approved models (3)

- The New Piper Aircraft Inc. PA-36-285 (Restricted Cat.) ([TCDS A10SO](https://openairdocs.org/tcds/A10SO))
- The New Piper Aircraft Inc. PA-36-300 (Restricted Cat.) ([TCDS A10SO](https://openairdocs.org/tcds/A10SO))
- The New Piper Aircraft Inc. PA-36-375 (Restricted Cat.) ([TCDS A10SO](https://openairdocs.org/tcds/A10SO))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.