# STC SA4-823

- 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 1A2](https://openairdocs.org/tcds/1A2), [TCDS AR-7](https://openairdocs.org/tcds/AR-7)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2BA30BA8E006AFFF86256D730069196A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-823

## ADs that name it (0)

None.

## Approved models (2)

- The New Piper Aircraft Inc. PA-18 Series (Restricted Cat.) ([TCDS AR-7](https://openairdocs.org/tcds/AR-7))
- The New Piper Aircraft Inc. PA-19 Series ([TCDS 1A2](https://openairdocs.org/tcds/1A2))

---
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.