# STC SA4-778

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cooper Engineering Corporation, United States
- Description: Ceconite covering.
- Status date: January 1, 1960
- 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/84E2C3758C5ACCD6862570D00072C973.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-778

## ADs that name it (0)

None.

## Approved models (1)

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

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