# STC SA4-1053

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cooper Engineering Corporation, United States
- Description: Ceconite 101 covering of complete airframe.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: TCDS 626, [TCDS ATC 467](https://openairdocs.org/tcds/ATC%20467), [TCDS ATC 499](https://openairdocs.org/tcds/ATC%20499)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/905181AABB92E4F3862570C200572FB5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-1053

## ADs that name it (0)

None.

## Approved models (4)

- The Waco Aircraft Company U1C ([TCDS ATC 499](https://openairdocs.org/tcds/ATC%20499))
- The Waco Aircraft Company UEC ([TCDS ATC 467](https://openairdocs.org/tcds/ATC%20467))
- The Waco Aircraft Company YKS-7 (Army UC-72K) (TCDS 626)
- The Waco Aircraft Company ZKS-7 (Army UC-72M) (TCDS 626)

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