# STC SA02388AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Kilo Alpha 290,LC, United States
- Description: Replace P&W PT6A-20 series engines and propellers with Honeywell TPE331-10AV-511KA Engines and McCauley 5HRF34C1105-A Propellers
- Status date: November 14, 2001
- 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/878BFDF7C031D3F585256CC1007F396E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02388AT

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Raytheon Aircraft Company E90 ([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.