# STC SA257WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cooper Engineering Corporation, United States
- Description: Ceconite 101 covering of wings.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A3](https://openairdocs.org/tcds/3A3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/233E9C4DA28F8A2C862570C9005FC956.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA257WE

## ADs that name it (0)

None.

## Approved models (1)

- Helio Aircraft Corporation 20 ([TCDS 3A3](https://openairdocs.org/tcds/3A3))

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