# STC SA4-126

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Goodyear Tire & Rubber Co, United States
- Description: One Southwind 940-B 20,000 B.t.u. TSO-C20 heater in each nacelle.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49BEBE266BFA76E8862570CE005A04FB.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-126

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 18 Series ([TCDS A-765](https://openairdocs.org/tcds/A-765))

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