# STC SA4-822

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cooper Engineering Corporation, United States
- Description: Ceconite 101 covering of wings, flaps, ailerons, horizontal stabilizer and elevators.
- Status date: January 1, 1960
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-749](https://openairdocs.org/tcds/A-749)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/22ABB2F28BC219B1862570D00072D485.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-822

## ADs that name it (0)

None.

## Approved models (2)

- Ryan Aeronautical Company ST-3KR (Army PT-22) ([TCDS A-749](https://openairdocs.org/tcds/A-749))
- Ryan Aeronautical Company ST-3KR (Army PT-22A) ([TCDS A-749](https://openairdocs.org/tcds/A-749))

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