# STC SA03098AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: King Air 90 HP LLC, United States
- Description: Replace the current PT6A-21 engines with PT6A-35 engines.
- Applied: July 14, 2004
- Status date: October 5, 2005
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- Certificate PDF: https://openairdocs.org/files/sha256/b6/59/b65963e0ed38caa04019ad62d66684b9f71bff805710a0a08a0bbcf4cf507cb0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/06B6FC66831C8D6686257130004E78A8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA03098AT

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company C90A ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- October 5, 2005: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b6/59/b65963e0ed38caa04019ad62d66684b9f71bff805710a0a08a0bbcf4cf507cb0)

---
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.