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No. of STCs: 12

STC Holder: Rotorcraft Development Corporation 1004 Eastside Hwy, Corvallis, MT 59828, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00026DE	Status: Historical	App Date: 02/05/1991	Rev Date: 09/06/2012
Description: Installation of tailboom 24 inch plug extension, commercial style main rotor blades, and rotorhead.
TC Nos.: H13WE, H1RM, H3NM, H3SO, H5SO, H7SO
Models: International Helicopters Inc.UH-1B Overseas Aircraft Support IncUH-1B Richards Heavylift Helo Inc.UH-1B Rotorcraft Development CorporationUH-1B, UH-1B San Joaquin HelicoptersUH-1B
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00073DE	Status: Historical	App Date: 08/11/1993	Rev Date: 02/02/2009
Description: Replacement of Lycoming T53-L-9 or -11 powerplant with Lycoming T53-L-13 series powerplant.
TC Nos.: H13WE, H1RM, H3NM, H3SO, H5SO, H7SO
Models: International Helicopters Inc.UH-1B Overseas Aircraft Support IncUH-1B Richards Heavylift Helo Inc.UH-1B Rotorcraft Development CorporationUH-1B, UH-1B San Joaquin HelicoptersUH-1B
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 1004 Eastside Hwy, Corvallis, MT 59828, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00119DE	Status: Historical	App Date: 11/08/1993	Rev Date: 01/26/2012
Description: Installation of an upgraded 42 degree tail rotor gearbox, P/N 212-040-003, and control cables.
TC Nos.: H13WE, H1RM, H3NM, H3SO, H4NM, H5NM, H5SO, H7SO, H8NM, H9NM
Models: Bell Helicopter Textron Inc.TH-1L, UH-1E, UH-1L International Helicopters Inc.UH-1B Overseas Aircraft Support IncTH-1L, UH-1E, UH-1L Richards Heavylift Helo Inc.UH-1B Rotorcraft Development CorporationHH-1K, TH-1L, UH-1B, UH-1B, UH-1E, UH-1L San Joaquin HelicoptersUH-1B Smith HelicoptersUH-1E West Coast FabricationsUH-1E
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00143DE	Status: Historical	App Date: 11/08/1993	Rev Date: 02/04/2009
Description: Installation of an upgraded 42 degree tail rotor gearbox. (UH-1H RESTRICTED CATEGORY) (SW205 (UH-1H) RESTRICTED CATEGORY)
TC Nos.: H13WE, H15NM, H2NM, H6SO, H7NE, H7SO, R00002RC, R00005SE, R00007DE
Models: Arrow Falcon Exporters Inc.UH-1H California Department of ForestryUH-1F Global Helicopter Technology Inc.UH-1H Hagglund Helicopters LLCUH-1H Northwest Rotorcraft LLCUH-1H Overseas Aircraft Support IncUH-1H Rotorcraft Development CorporationUH-1H Southwest Florida Aviation InternationalUH-1H Tamarack Helicopters Inc.UH-1F
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00144DE	Status: Historical	App Date: 11/08/1993	Rev Date: 02/02/2009
Description: Installation of an upgraded 42 degree tail rotor gearbox.
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.204B
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09167RC	Status: Historical	App Date: 03/19/1997	Rev Date: 02/04/2009
Description: Replacement of tail rotor control roller chain.
TC Nos.: H13WE, H3NM, H5NM
Models: Rotorcraft Development CorporationHH-1K, TH-1L, UH-1B, UH-1B, UH-1E, UH-1H, UH-1L
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09176RC	Status: Historical	App Date: 04/04/1997	Rev Date: 02/04/2009
Description: Modification of the vertical fin spar.
TC Nos.: H13WE, H15NM, H3SO, H6SO
Models: Garlick Helicopters Inc.UH-1H Southwest Florida AviationSW205 (UH-1H) US Helicopter Inc.UH-1H Western International Aviation Inc.UH-1H
ACO: Denver ACO Branch, Tel: +1 (303) 342-1080

STC Holder: Rotorcraft Development Corporation 1004 Eastside Hwy, Corvallis, MT 59828, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09176RC	Status: Historical	App Date: 03/19/1997	Rev Date: 01/26/2012
Description: Modification of the vertical fin spar in accordance with Garlick Master Drawing List GHI 97-06, Rev. D, dated October 21, 1997, or later FAA approved revision.
TC Nos.: H13WE, H15NM, H3SO, H6SO
Models: Hagglund Helicopters LLCUH-1H Richards Heavylift Helo Inc.UH-1H Rotorcraft Development CorporationUH-1H Southwest Florida Aviation InternationalUH-1H
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09177RC	Status: Historical	App Date: 04/07/1997	Rev Date: 02/04/2009
Description: Modification of the vertical fin spar in accordance with Garlick Master Drawing List GHI 97-07, Revision D dated 2-23-98, or later FAA approved revision is required.
TC Nos.: H13WE, H1RM, H3NM, H3SO, H4NM, H5NM, H5SO, H6SO, H7SO, H8NM, R00012AT
Models: Bell Helicopter Textron Inc.TH-1L, UH-1E, UH-1L International Helicopters Inc.UH-1B Overseas Aircraft Support IncTH-1L, UH-1E, UH-1L Richards Heavylift Helo Inc.UH-1B Rotorcraft Development CorporationHH-1K, TH-1L, UH-1B, UH-1B, UH-1E, UH-1L San Joaquin HelicoptersUH-1B Smith HelicoptersUH-1E Southern Helicopter Inc.UH-1B Southwest Florida Aviation InternationalUH-1B
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09202RC	Status: Historical	App Date: 10/19/1998	Rev Date: 02/04/2009
Description: Installation of a vertical fin spar.
TC Nos.: H1SW
Models: Bell Helicopter Textron Inc.204B
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09222RC	Status: Historical	App Date: 10/19/1998	Rev Date: 02/02/2009
Description: Installation of a modified fin spar
TC Nos.: H12NM
Models: Rotorcraft Development CorporationTH-1F, UH-1F, UH-1P
ACO: AIR-7D0: Denver ACO Branch

STC Holder: Rotorcraft Development Corporation 132 Skalkaho Highway, Hamilton, MT 59840, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09224RC	Status: Historical	App Date: 03/14/1997	Rev Date: 02/04/2009
Description: Modification of the lift beam on the Model UH-IH
TC Nos.: H13WE, H15NM, H6SO
Models: Hagglund Helicopters LLCUH-1H Rotorcraft Development CorporationUH-1B, UH-1H Southwest Florida Aviation InternationalUH-1B, UH-1H
ACO: AIR-7D0: Denver ACO Branch