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No. of STCs: 41

STC Holder: Helicopter Transport Services LLC 5806 SW. Plumley Street, Corvallis, OR 97333, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00506LA	Status: Historical	App Date: 08/01/1997	Rev Date: 05/15/2012
Description: Installation of Fire Fighting System in Aviation International Rotors, Inc., CH-54A helicopter.
TC Nos.: H16NM, R00009SE
Models: Evergreen Helicopters Inc.CH-54A Helicopter Transport Services LLCCH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 5806 SW. Plumley Street, Corvallis, OR 97333, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00506LA	Status: Historical	App Date: 03/07/2008	Rev Date: 03/07/2008
Description: Installation of Fire Fighting System in Aviation International Rotors, Inc., CH-54A helicopter.
TC Nos.: H16NM
Models: Heavy Lift Helicopters IncCH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00506LA	Status: Current	App Date: 08/01/1997	Rev Date: 01/09/2014
Description: Installation of Fire Fighting System
TC Nos.: H16NM, R00009SE
Models: Helicopter Transport Services LLCCH-54A, CH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00928SE	Status: Current	App Date: 04/10/2001	Rev Date: 05/18/2016
Description: Fabrication of Kawak Aviation Technologies, Inc. Model YB02854 Auxiliary Hydraulic System
TC Nos.: H14NM, H16NM, R00009SE
Models: Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00928SE	Status: Historical	App Date: 04/10/2001	Rev Date: 12/18/2013
Description: Fabrication of Kawak Aviation Technologies, Inc. Model YB02854 Auxiliary Hydraulic System
TC Nos.: H14NM, H16NM, R00009SE
Models: Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A, CH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01084SE	Status: Current	App Date: 02/12/2002	Rev Date: 01/09/2014
Description: Fabrication and installation of HTS-OCB-001 Electric Oil Blower Assembly
TC Nos.: H14NM
Models: Sikorsky Aircraft CorporationCH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01209SE	Status: Historical	App Date: 03/12/2003	Rev Date: 09/13/2018
Description: Installation of Replacement Electric Starter for Auxiliary Power Unit
TC Nos.: H14NM, R00009SE
Models: Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01209SE	Status: Current	App Date: 03/12/2003	Rev Date: 09/24/2018
Description: Installation of Replacement Electric Starter for Auxiliary Power Unit
TC Nos.: H14NM, R00009SE
Models: Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01209SE	Status: Historical	App Date: 03/12/2003	Rev Date: 01/09/2014
Description: Installation of Replacement Electric Starter for Auxiliary Power Unit
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01241SE	Status: Current	App Date: 10/16/2002	Rev Date: 09/06/2018
Description: Installation of Concorde RG-390E Lead Acid Battery
TC Nos.: H14NM, H16NM
Models: Helicopter Transport Services LLCCH-54A, CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01241SE	Status: Historical	App Date: 10/16/2002	Rev Date: 01/09/2014
Description: Installation of the Concorde RG-390E Lead Acid Battery
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01268SE	Status: Current	App Date: 04/29/2002	Rev Date: 01/09/2014
Description: Fabrication and installation of the Single Point Fixed Pendant.
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01279SE	Status: Current	App Date: 10/16/2002	Rev Date: 01/09/2014
Description: Installation of the Aero-Craft Utility Hydraulic Pump, Part Number (P/N) AP6VSPL
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01376SE	Status: Current	App Date: 06/06/2003	Rev Date: 01/09/2014
Description: Fabrication and installation of Helicopter transport Services, LLC offset pilot seat, offset collective control, and bubble door
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 5806 SW. Plumley Street, Corvallis, OR 97333, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01407SE	Status: Historical	App Date: 03/12/2004	Rev Date: 05/06/2010
Description: Fabrication of Helicopter Transport Services, Inc Left Seat Pilot
TC Nos.: H10SW
Models: Bell Helicopter Textron214ST
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01407SE	Status: Current	App Date: 03/12/2004	Rev Date: 01/09/2014
Description: Fabrication of Helicopter Transport Services, Inc Left Seat Pilot in Command, External Instrument Box and Bubble Window
TC Nos.: H10SW
Models: Bell Helicopter Textron214ST
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01571SE	Status: Current	App Date: 01/30/2003	Rev Date: 01/09/2014
Description: Fabrication and installation of Helicopter Transport Services, Inc. (HTSI) Automatic Flight Control System (AFCS)
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01618SE	Status: Current	App Date: 06/05/2003	Rev Date: 12/18/2013
Description: Fabrication and Installation of Kawak Aviation Technologies Model 36100 Sea Snorkel
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01741SE	Status: Current	App Date: 01/18/2006	Rev Date: 01/09/2014
Description: Installation of an upgraded Fuel Quantity Indicating System.
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01839SE	Status: Current	App Date: 10/27/2003	Rev Date: 01/09/2014
Description: Remove the components from the hydraulic sled at Station 380 and install on the sled at Station 435.5, and remove the sled at Station 380,
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02036SE	Status: Current	App Date: 06/05/2003	Rev Date: 01/09/2014
Description: Modification of main rotor blade part number 6415-20601-041, -042, and -043
TC Nos.: H14NM
Models: Helicopter Transport Services Inc.CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02055SE	Status: Historical	App Date: 03/15/2007	Rev Date: 01/09/2014
Description: Fabrication of a replacement tail rotor blade, Part Number 65161-00001-041MII
TC Nos.: H14NM, H16NM, H17NM, H18NM, H6EA, R00009SE
Models: Erickson Air-Crane CompanyS-64E, S-64F Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A, CH-54A Siller Helicopters LLCCH-54A Silver Bay Logging Inc.CH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02055SE	Status: Current	App Date: 03/15/2007	Rev Date: 01/23/2015
Description: Replacement tail rotor blades, Part Numbers 65161-00001-041MII and/or 65161-00001-043MII
TC Nos.: H14NM, H16NM, H17NM, H18NM, H6EA, R00009SE
Models: Erickson Incorporated DBA Erickson Air-CraneS-64E, S-64F Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A, CH-54A Siller Helicopters LLCCH-54A Silver Bay Logging Inc.CH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 5806 SW. Plumley Street, Corvallis, OR 97333, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02120LA	Status: Historical	App Date: 10/08/2004	Rev Date: 03/07/2008
Description: Installation of a system for the aerial dispensing of liquids
TC Nos.: R00012LA
Models: Heavy Lift Helicopters IncCH-53D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02120LA	Status: Current	App Date: 10/08/2004	Rev Date: 01/09/2014
Description: Installation of a system for the aerial dispensing of liquids
TC Nos.: R00012LA
Models: Heavy Lift Helicopters IncCH-53D
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 5806 SW. Plumley Street, Corvallis, OR 97333, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02224SE	Status: Historical	App Date: 02/05/2012	Rev Date: 05/16/2012
Description: Installation of the Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP
TC Nos.: H14NM, H16NM
Models: Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02224SE	Status: Current	App Date: 02/05/2012	Rev Date: 01/09/2014
Description: Installation of the Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP
TC Nos.: H14NM, H16NM
Models: Helicopter Transport Services Inc.CH-54B Helicopter Transport Services LLCCH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02303SE	Status: Historical	App Date: 06/22/2013	Rev Date: 02/13/2014
Description: Instruction for changing to alternative lubricant
TC Nos.: H16NM
Models: Helicopter Transport Services LLCCH-54A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02303SE	Status: Current	App Date: 06/22/2013	Rev Date: 03/31/2014
Description: Instruction for changing to alternative lubricant
TC Nos.: H16NM, R00009SE
Models: Helicopter Transport Services LLCCH-54A, CH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02503SE	Status: Current	App Date: 08/31/2015	Rev Date: 09/15/2016
Description: Installation of Additional Telemetry Unit (ATU)
TC Nos.: H14NM, H16NM, H6EA, R00009SE
Models: Erickson Incorporated DBA Erickson Air-CraneS-64E Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 5806 SW Plumley St., Corvallis, OR 97333, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02524SE	Status: Current	App Date: 01/23/2012	Rev Date: 02/07/2017
Description: Installation of an electically driven oil cooler and 20KVA generators
TC Nos.: H16NM
Models: Helicopter Transport Services LLCCH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02671SE	Status: Current	App Date: 02/01/2019	Rev Date: 11/20/2019
Description: Installation of HTS Attachable Service Pod
TC Nos.: H14NM, H16NM, R00009SE
Models: Helicopter Transport Services LLCCH-54A (H16NM), CH-54A (R00009SE), CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02684SE	Status: Current	App Date: 05/19/2019	Rev Date: 03/27/2020
Description: Installation of Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump
TC Nos.: H14NM, H16NM, H18NM, H6EA, R00009SE
Models: Erickson Incorporated DBA Erickson Air-CraneS-64E, S-64F Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B Siller Helicopters LLCCH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02717SE	Status: Current	App Date: 11/04/2020	Rev Date: 04/26/2021
Description: Installation of Helicopter Transport Services Remote Fuel Sump System
TC Nos.: H14NM, H16NM, H18NM, H6EA, R00009SE
Models: Erickson Incorporated DBA Erickson Air-CraneS-64E, S-64F Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B Siller Helicopters LLCCH-54A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Rd. NE, Aurora, OR 97002 USA		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02754SE	Status: Current	App Date: 10/11/2021	Rev Date: 03/01/2023
Description: Installation of External Cargo Container
TC Nos.: H14NM, H16NM, H4EA, H6EA, R00009SE
Models: Erickson Air-Crane Incorporated DBA Erickson Air-CraneS-64E Erickson Incorporated DBA Erickson Air-CraneS-64E Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Rd., Aurora, OR 97002		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02777SE	Status: Current	App Date: 10/09/2020	Rev Date: 02/14/2024
Description: Installation of a Load Beam
TC Nos.: H14NM, H16NM, H4EA, H6EA, R00009SE
Models: Erickson Air-Crane Incorporated DBA Erickson Air-CraneS-64E Erickson Incorporated DBA Erickson Air-CraneS-64E Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Rd NE, Aurora, OR 97002		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02807SE	Status: Historical	App Date: 05/15/2024	Rev Date: 10/18/2024
Description: Installation of a Fly Away Tool box
TC Nos.: H14NM, H16NM, H4EA, H6EA, R00009SE
Models: Erickson Air-Crane CompanyS-64E, S-64E Helicopter Transport Services LLCCH-54A (H16NM), CH-54A (R00009SE), CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Rd NE, Aurora, OR 97002		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02807SE	Status: Current	App Date: 05/15/2024	Rev Date: 04/08/2025
Description: Installation of a Fly Away Tool box
TC Nos.: H14NM, H16NM, H4EA, H6EA, R00009SE
Models: Erickson Air-Crane CompanyS-64E, S-64E Helicopter Transport Services LLCCH-54A (H16NM), CH-54A (R00009SE), CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Road NE, Aurora, OR 97002, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09913AC	Status: Current	App Date: 09/30/2019	Rev Date: 12/16/2020
Description: Installation of Composite Main Rotor Blade
TC Nos.: H14NM, H16NM, R00009SE
Models: Helicopter Transport Services LLCCH-54A (H16NM), CH-54A (R00009SE), CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Rd N, Aurora, OR 97002		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR11810SE	Status: Current	App Date: 01/13/2020	Rev Date: 01/30/2025
Description: Installation of Helicopter Transport Services, LLC External Load Indicating System
TC Nos.: H14NM, H16NM, H6EA, R00009SE
Models: Erickson Incorporated DBA Erickson Air-CraneS-64E, S-64F Helicopter Transport Services LLCCH-54A, CH-54A, CH-54B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Helicopter Transport Services LLC 14497 Keil Rd NE, Aurora, OR 97002		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR11923SE	Status: Current	App Date: 04/28/2024	Rev Date: 03/11/2025
Description: Installation of Helicopter Transport Services, LLC Shock Absorber HTS-2000
TC Nos.: H14NM, H16NM, H18NM, H6EA
Models: Erickson Air-CraneS-64E, S-64F Helicopter Transport Services LLCCH-54A, CH-54B Siller Helicopters LLCCH-54A
ACO: AIR-770: West Certification Branch SEA