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No. of STCs: 7

STC Holder: Helicopter Aviation Services 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: Historical	App Date:	Rev Date: 11/18/1992
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 Textron412
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Helicopter Aviation Services 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: Historical	App Date:	Rev Date: 02/05/1993
Description: Installation of an audio panel mount.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Helicopter Aviation Services 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: Historical	App Date:	Rev Date: 02/05/1993
Description: Installation of a loud hailer mount.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Helicopter Aviation Services 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.: SR00693NY	Status: Historical	App Date:	Rev Date: 10/10/1997
Description: Installation of a Bendix/King Electronic Flight Instrument System (EFIS) Model EFS 40 and a LITEF GmbH attitude heading reference system Model LCR-92.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)407
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Helicopter Aviation Services 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.: SR00760NY	Status: Historical	App Date:	Rev Date: 11/14/2001
Description: Installation of a SFIM Force Trim System.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)407
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Helicopter Aviation Services 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.: SR00790NY	Status: Historical	App Date:	Rev Date: 02/13/1998
Description: Installation of a SFIM automatic flight control system.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)407
ACO: New York ACO Branch, Tel: +1 (516) 228-7300

STC Holder: Helicopter Aviation Services 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.: SR01474NY	Status: Historical	App Date:	Rev Date: 03/12/2002
Description: Installation of a Honeywell Mk-XXII Enhanced Ground Promixity Warning System.
TC Nos.: H4SW
Models: Bell Helicopter Textron412EP
ACO: New York ACO Branch, Tel: +1 (516) 228-7300