# STC SA02379AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Hawker Beechcraft Services Inc., United States
- Description: Installation of a cockpit speaker and aural warning muting system.
- Applied: May 2, 2001
- Status date: June 1, 2009
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- Certificate PDF: https://openairdocs.org/files/sha256/2b/34/2b342646bf3bf805c2a3544fbfaaeee9f898c172ba7cdf5b2c5611fdc24efa17
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A9932CBFE6104F608625769B0045E3FD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02379AT

## ADs that name it (0)

None.

## Approved models (4)

- Hawker Beechcraft Corporation C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Hawker Beechcraft Corporation C90A ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Hawker Beechcraft Corporation C90GT ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Hawker Beechcraft Corporation C90GTi ([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)

- June 1, 2009: Amended, Current. [certificate](https://openairdocs.org/files/sha256/2b/34/2b342646bf3bf805c2a3544fbfaaeee9f898c172ba7cdf5b2c5611fdc24efa17)

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