# STC SA4-938

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Lott William C, United States
- Description: Eonite covering on entire aircraft.
- Status date: January 1, 1970
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/67B9EDE26C4BD29C86256D730065A19E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-938

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-22 Series ([TCDS 1A6](https://openairdocs.org/tcds/1A6))

---
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.
