# STC SA03166CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: FreeFlight Systems, United States
- Description: Installation of Mode S Transponders with 1090 MHZ ADS-B Extended Squitter System
- Applied: March 21, 2012
- Status date: April 11, 2013
- Product: Aircraft, Small Airplane
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- Certificate PDF: https://openairdocs.org/files/sha256/d7/c2/d7c2624aa34306944deee07384dbb19554e342ac71d67f5be816874638b2c659
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7223288C6C2E327086257C0B00600338.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA03166CH

## ADs that name it (0)

None.

## Approved models (1)

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

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Part 23 of the Federal Aviation R egulations . See Type Certificate Data Sheet 3A20 for complete certification basis.

Original Product --Type Certificate N umber :

Installation of Mode S Transponders with 1090 MHZ ADS-B Extended Squitter System in accordance with University of North Dakota Master Drawing List UND-FFS-MDL, Revision 3, dated October 10, 2012, or later FAA approved revision.

1) The installer must determine whether this design change is compatible with previously approved modifications.

2) FAA Approved Airplane Flight Manual Supplement document number UND-FFS-FMS Revision 1, dated November 06, 2012, or later FAA approved revision is a required part of this modification.

3) If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

FreeFlight Systems 3700 Interstate 35 South Waco, TX 76706-3756 3A20 M ake : Hawker Beechcraft Corporation M odel : C90A Dat e of application : March 21, 2012

Date of issuance : November 6, 2012

Date reissued : April 11, 2013

B y direction of the A dministrator

(Signature) Steven L. Lardinois Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office

(Title)

## Every issue (2)

- April 11, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d7/c2/d7c2624aa34306944deee07384dbb19554e342ac71d67f5be816874638b2c659)
- November 6, 2012: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/12/1a/121a5dc5a429df824129f94fcd0ad7e18827d1178b4a3b0e72b03c2f33f4b393)

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