# STC SA125AL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Northland Aviation, United States
- Description: Installation of squared off wing tips and end plates.
- Status date: December 1, 1965
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A4](https://openairdocs.org/tcds/1A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8C0FDDE862054E8085256CC10080E0E5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA125AL

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-20 ([TCDS 1A4](https://openairdocs.org/tcds/1A4))
- The New Piper Aircraft Inc. PA-20S ([TCDS 1A4](https://openairdocs.org/tcds/1A4))

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