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No. of STCs: 3

STC Holder: Helicopter Aviation Services Corporation P.O. Box 1117 Mount Pleasant Airport, Mount Pleasant, PA 15666, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1025NE	Status: Current	App Date: 10/06/1992	Rev Date: 05/20/2015
Description: Installation of Bendix/King 660 flight management system, RDS84VP weather rader, and GC 360A radar graphics, and a radio package modification.
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.412
ACO: AIR-750: East Certification Branch NY

STC Holder: Helicopter Aviation Services Corporation P.O. Box 1117 Mount Pleasant Airport, Mount Pleasant, PA 15666, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1043NE	Status: Current	App Date: 11/25/1992	Rev Date: 05/20/2015
Description: Installation of an audio panel mount.
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.412
ACO: AIR-750: East Certification Branch NY

STC Holder: Helicopter Aviation Services Corporation P.O. Box 1117 Mount Pleasant Airport, Mount Pleasant, PA 15666, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1044NE	Status: Current	App Date: 11/25/1992	Rev Date: 05/20/2015
Description: Installation of a loud hailer mount.
TC Nos.: H4SW
Models: Bell Helicopter Textron Inc.412
ACO: AIR-750: East Certification Branch NY