# STC ST70CH

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Cooper Aviation Supply Company, Inc., United States
- Description: Surrendered and incorporated into STC ST334CH.
- Status date: June 14, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS LTC-8](https://openairdocs.org/tcds/LTC-8)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0695C5236D3DBAB085256CC3000360DD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST70CH

## ADs that name it (0)

None.

## Approved models (1)

- Grumman American Aviation Corporation Navy TBF & TBM Series ([TCDS LTC-8](https://openairdocs.org/tcds/LTC-8))

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