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: 7

STC Holder: Helicopters Inc 618 Silver Lake Road, Linden, MI 48451, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH505GL	Status: Current	App Date:	Rev Date: 02/20/1981
Description: Installation of modified tail rotor gearbox using original installation hardware and components.
TC Nos.: 2H1
Models: Bell Helicopter Textron47J, 47J-2, 47J-2A, 47K
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicopters Inc 618 Silver Lake Road, Linden, MI 48451, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH506GL	Status: Current	App Date:	Rev Date: 02/20/1981
Description: Installation of modified tail rotor gearbox using original installation hardware and components.
TC Nos.: H-1
Models: Bell Helicopter Textron47B, 47B3, 47D (USAF H-13B), 47D1 Series, 47E (Navy HTL-3), 47G Series, 47G-2 (USAF H-13H), 47H-1
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicopters Inc 618 Silver Lake Road, Linden, MI 48451, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH507GL	Status: Current	App Date:	Rev Date: 02/20/1981
Description: Installation of modified tail rotor gearbox using original installation hardware and components.
TC Nos.: 2H3
Models: Bell Helicopter Textron47G-2A, 47G-2A-1, 47G-3 (OH-13H), 47G-3B, 47G-3B-1 (TH-13T), 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicopters Inc 14 Omega Dr., Cahokia, IL 62206, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00751CH	Status: Current	App Date:	Rev Date: 09/12/1997
Description: Install nose camera mount.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)407
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicopters Inc 14 Omega Dr., Cahokia, IL 62206, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00752CH	Status: Current	App Date:	Rev Date: 07/08/1998
Description: Install microwave antenna pod.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206L, 206L-1, 206L-3, 206L-4, 407
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicopters Inc 14 Omega Dr., Cahokia, IL 62206, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01630CH	Status: Current	App Date:	Rev Date: 03/26/2002
Description: Structural approval only for installation of a camera mount to accept a camera not exceeding 94 lbs. and 1.99 ft frontol area. Camera installation requires separate approval. An FAA-approved High Skid Landing Gear is required.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206A, 206B, 206L, 206L-1
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Helicopters Inc 14 Omega Dr., Cahokia, IL 62206, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01714CH	Status: Current	App Date: 05/24/2002	Rev Date: 01/07/2003
Description: Install camera mount on nose of rotorcraft per Helicopters, Inc. Drawing List 90H-470L006, dtd 10/23/2002 or later FAA-approved revision; and Helicopters, Inc. Installation Drawing 90H-470F006, Rev B dtd 10/23/2002 or later FAA-approved revision.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206A, 206A-1 (OH-58A), 206B, 206L, 206L-1, 206L-3, 206L-4, 407
ACO: AIR-760: Central Certification Branch CHI