# STC SA568AL

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Ronald E Sullivan, United States
- Description: Installation of a winterization kit. (Normal Category ONLY)
- Status date: December 2, 1975
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-780](https://openairdocs.org/tcds/A-780)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8848C2554FEBA64385256CC200122AB7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA568AL

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-12 Series ([TCDS A-780](https://openairdocs.org/tcds/A-780))

---
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.