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No. of STCs: 3

STC Holder: Helicorp Inc. 295 Canvasback Trail, Locust Grove, GA 30248, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2921WE	Status: Current	App Date: 04/09/1974	Rev Date: 04/30/2008
Description: Reduce size of cockpit openings, install rounded windshields, flush rivet and increase fuselage skin gages, install internal top longerons, remove external top longerons and install internal aileron balance weight.
TC Nos.: A-749
Models: Ryan Aeronautical CompanyST-3KR
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicorp Inc. 295 Canvasback Trail, Locust Grove, GA 30248, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4317WE	Status: Current	App Date: 10/15/1980	Rev Date: 04/30/2008
Description: Installation of Ranger 6-440-C5 engine, Sensenich 86R61 propeller, and auxiliary fuel pump, and associated changes.
TC Nos.: A-749
Models: Ryan Aeronautical CompanyST-3KR
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicorp Inc. 295 Canvasback Trail, Locust Grove, GA 30248, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4463NM	Status: Current	App Date: 05/14/1982	Rev Date: 04/30/2008
Description: Installation of Ryan Model ST-A type main landing gear.
TC Nos.: A-749
Models: Ryan Aeronautical CompanyST-3KR
ACO: AIR-760: Central Certification Branch CHI