# STC SA1206SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: West Tennessee Aviation, United States
- Description: Installation of Pratt & Whitney PT6A-28 engines.
- Status date: April 22, 1993
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/49C72772F66DC5E085256CC10080DFF4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1206SO

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company B90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
