# STC SA3729NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Innovative Scientific Development, Inc., United States
- Description: Installation of electric heater and auxiliary alternator.
- Status date: June 25, 1987
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A09CB3979E6862A185256CC2000C5A08.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3729NM

## ADs that name it (0)

None.

## Approved models (5)

- The Cessna Aircraft Company T337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337E ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337F ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

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