The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 4

STC Holder: CESSNA Duesseldorf Citation Service Flughafenstrasse 50, Duesseldorf, 40474, Germany		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03934NY	Status: Current	App Date: 06/20/2017	Rev Date: 07/18/2017
Description: Installation of Garmin GTN 725
TC Nos.: A1WI
Models: Textron Aviation Inc.525, 525A, 525B, 525C
ACO: AIR-750: East Certification Branch NY

STC Holder: CESSNA Duesseldorf Citation Service Flughafenstrasse 50, Duesseldorf, 40474, Germany		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA03947NY	Status: Current	App Date: 08/21/2017	Rev Date: 08/30/2017
Description: ADS-B upgrade of Garmin GTX-330D
TC Nos.: A1WI
Models: Textron Aviation Inc.525, 525A
ACO: AIR-750: East Certification Branch NY

STC Holder: CESSNA Duesseldorf Citation Service Flughafenstrasse 50, Duesseldorf, -- 40474, Germany		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA04520NY	Status: Current	App Date: 09/04/2019	Rev Date: 07/20/2020
Description: ADS-B Out GNSS source modification for transponder #2
TC Nos.: A1WI
Models: Textron Aviation Inc.525, 525A, 525B, 525C
ACO: AIR-750: East Certification Branch NY

STC Holder: CESSNA Duesseldorf Citation Service Flughafenstrasse 50, Duesseldorf, 40474, Germany		If you are an STC Holder, Contact us to have your company added here!
STC No.: ST03912NY	Status: Current	App Date: 05/03/2017	Rev Date: 05/18/2017
Description: Upgrade of the GNS-XLS Single or Dual Fight Management System (FMS) to attain P-RNAV capability at RNP10, RNP4 and RNP1
TC Nos.: A22CE
Models: Textron Aviation Inc.550
ACO: AIR-750: East Certification Branch NY