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: 6

STC Holder: Hartzog Aviation, Inc 46 Airport Drive, Rockford, IL 61109, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1793GL	Status: Current	App Date:	Rev Date: 09/14/1992
Description: Replacement of aft fuselage access panel camlock assembly,or forward avionics bay door assemblies, or cabin door handle lock assembly.
TC Nos.: A24CE
Models: Raytheon Aircraft Company200 (A100-1 (U-21J)), 300, B200, B300
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Hartzog Aviation, Inc Greater Rockford Arpt P.O. Box 1060, Rockford, IL 61109, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA17GL	Status: Current	App Date:	Rev Date: 04/12/1973
Description: Installation of Bendix FCS-810 autopilot.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation685
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Hartzog Aviation, Inc Greater Rockford Arpt P.O. Box 1060, Rockford, IL 61109, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA26GL	Status: Current	App Date:	Rev Date: 07/02/1973
Description: Installation of Bendix M-4C autopilot.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation690, 690A, 690B, 690C, 690D
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Hartzog Aviation, Inc Greater Rockford Arpt P.O. Box 1060, Rockford, IL 61109, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA283GL	Status: Current	App Date:	Rev Date: 11/14/1978
Description: Installation of a Continental IO-520-B, -BA engine modified in in accordance with STC SA282GL and a Symbolic Displays fuel flow indicating system, Model CFS-1000.
TC Nos.: 3A15
Models: Raytheon Aircraft CompanyA36
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Hartzog Aviation, Inc Greater Rockford Arpt P.O. Box 1060, Rockford, IL 61109, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA79GL	Status: Current	App Date:	Rev Date: 04/18/1975
Description: Install Bendix M4D autopilot system.
TC Nos.: 2A4
Models: Twin Commander Aircraft Corporation690A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Hartzog Aviation, Inc Greater Rockford Arpt P.O. Box 1060, Rockford, IL 61109, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SE282GL	Status: Current	App Date:	Rev Date: 11/14/1978
Description: Installation of a fuel flow transducer, Symbolic Displays P/N 201B.
TC Nos.: E5CE
Models: Teledyne Continental MotorsIO-520-B, IO-520-BA
ACO: AIR-760: Central Certification Branch CHI