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No. of STCs: 19

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00465SE	Status: Current	App Date: 04/04/1997	Rev Date: 04/19/2012
Description: Installation of a Mechanical Specialties Model 611 cargo hook
TC Nos.: 1H15
Models: Sikorsky Aircraft CorporationS-61N
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 7822 HWY 99SE Suite A, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00465SE	Status: Historical	App Date: 04/04/1997	Rev Date: 08/13/1997
Description: Installation of a Mechanical Specialties Model 611 cargo hook
TC Nos.: 1H15
Models: Sikorsky Aircraft CorporationS-61N
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 7822 HWY 99SE Suite A, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00632SE	Status: Historical	App Date: 09/20/1997	Rev Date: 10/13/1998
Description: Fabrication of Mechanical Specialties, Inc. Model 606 cargo hook in accordance with FAA approved Mechanical Specialties Master Drawing List No. 606 MOL, Revision "C," dated August 6, 1998, or later FAA approved revision: and installation of this cargo hook
TC Nos.: H1SW, H4SW
Models: Bell Helicopter Textron Inc.204B, 205A, 205A-1, 212, 412, 412EP
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR00632SE	Status: Current	App Date: 09/20/1997	Rev Date: 04/19/2012
Description: Fabrication of Mechanical Specialties, Inc. Model 606 cargo hook in accordance with FAA approved Mechanical Specialties Master Drawing List No. 606 MOL, Revision "C," dated August 6, 1998, or later FAA approved revision: and installation of this cargo hook
TC Nos.: H1SW, H4SW
Models: Bell Helicopter Textron Inc.204B, 205A, 205A-1, 212, 412, 412EP
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01738SE	Status: Current	App Date: 10/14/2006	Rev Date: 02/22/2007
Description: Installation of a Mechanical Specialties, Inc. model 6111, 11,000 pound capacity cargo hook
TC Nos.: H2EA
Models: Sikorsky Aircraft CorporationS-61A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01739SE	Status: Current	App Date: 10/17/2006	Rev Date: 02/22/2007
Description: Installation of a Mechanical Specialties, Inc. model 6111, 11,000 pound capacity cargo hook as a direct replacement for Breeze Eastern models SP-7070-2 or SP-7102-1 cargo hooks, and to be used with Carson Services, Inc. 11,000 pound capacity cargo sling (STC SH639NE) or Helipro Corporation International s 11,000 pound capacity cargo sling (STC SR00427SE).
TC Nos.: 1H15
Models: Sikorsky Aircraft CorporationS-61N
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01946SE	Status: Historical	App Date: 06/28/2008	Rev Date: 01/06/2009
Description: Installation of the Mechanical Specialties, Model UH606
TC Nos.: R00005SE
Models: Northwest Rotorcraft LLCUH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01946SE	Status: Historical	App Date: 06/28/2008	Rev Date: 08/27/2009
Description: Installation of the Mechanical Specialties, Model UH606
TC Nos.: H13WE, H7SO, R00005SE, R00007DE
Models: Arrow Falcon Exporters Inc.UH-1H Garlick Helicopter CorporationUH-1H Northwest Rotorcraft LLCUH-1H Overseas Aircraft Support IncUH-1H
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01946SE	Status: Current	App Date: 06/28/2008	Rev Date: 04/19/2012
Description: Installation of the Mechanical Specialties, Model UH606
TC Nos.: H13WE, H7SO, R00005SE, R00007DE
Models: Arrow Falcon Exporters Inc.UH-1H Northwest Rotorcraft LLCUH-1H Overseas Aircraft Support IncUH-1H Rotorcraft Development CorporationUH-1H
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR01991SE	Status: Current	App Date: 01/23/2009	Rev Date: 09/27/2011
Description: : Installation of the Mechanical Specialties Scupper Assembly, Part Number 300-101, in accordance with Installation Instructions, document # INST 300-101-100, Revision A, dated April 6, 2009, or later FAA approved revision. Manufactured in accordance with Master Document List 300-101-MDL, Revision A, dated April 9, 2009, or later FAA approved revision. Maintained in accordance with Instructions for Continued Airworthiness, document # 300-101-ICAW, Revision A, dated April 09, 2009, or later FAA approved revision.
TC Nos.: H2SW
Models: Bell Helicopter Textron Canada Limited206A, 206B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02126SE	Status: Current	App Date: 03/31/2009	Rev Date: 04/19/2012
Description: Installation of the MECHANICAL SPECIALTIES, Model # UH606 in accordance with document # UH606-100-ICAW paragraph 6, Revision A, dated November 09, 2008, or later FAA approved revision. Manufactured in accordance with Master Document list MDL-205-60-111, Revision A, dated April 9, 2009, or later FAA approved revision. Maintained in accordance with document # UH606-100-ICAW Revision A, dated November 09, 2008, or later FAA approved revision.
TC Nos.: H1SW, H4SW
Models: Bell Helicopter Textron Inc.204B, 205A-1, 212, 412, 412EP
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02126SE	Status: Historical	App Date: 03/31/2009	Rev Date: 03/28/2011
Description: Installation of the MECHANICAL SPECIALTIES, Model # UH606 in accordance with document # UH606-100-ICAW paragraph 6, Revision A, dated November 09, 2008, or later FAA approved revision. Manufactured in accordance with Master Document list MDL-205-60-111, Revision A, dated April 9, 2009, or later FAA approved revision. Maintained in accordance with document # UH606-100-ICAW Revision A, dated November 09, 2008, or later FAA approved revision.
TC Nos.: H4SW
Models: Bell Helicopter Textron212
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 975 85th Avenue SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02617SE	Status: Historical	App Date: 12/20/2016	Rev Date: 05/29/2020
Description: Installation of a Mechanical Specialties Model 909 Cargo Hook
TC Nos.: H2NE, H3NE, H4NE, H5NE, R00003AC, R00005RC, R00019AT, R00020AT, R00020LA, R00021LA, R00022LA, R00023LA, R00025LA, R00052SE, R00054SE, R00058SE, R0012DE
Models: ACE Aeronautics LLCUH-60A BHI H60 Helicopters LLCBHI H60 (UH-60A) Billings Flying Service IncUH-60A Carson Helicopters Inc.UH-60A Delta EnterpriseUH-60A High Performance Helicopters Corp.UH-60A Northwest Rotorcraft LLCUH-60A PJ Helicopters IncUH-60A Pickering Aviation Inc.EH-60A SIXTYHAWK TC LLCEH-60A, HH-60L SKYDANCE BLACKHAWK OPERATIONS LLCUH-60A Sikorsky Aircraft CorporationS-70, S-70A, S-70C, S-70C(M), S-70C(M1) Timberline Helicopters Inc.UH-60A Unical Aviation Inc.UH-60A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 975 85th Avenue SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02617SE	Status: Historical	App Date: 12/20/2016	Rev Date: 11/05/2018
Description: Installation of a Mechanical Specialties Model 909 Cargo Hook
TC Nos.: H2NE, H3NE, H4NE, H5NE, R00005RC, R00019AT, R00020AT, R00020LA, R00021LA, R00022LA, R00023LA, R00052SE, R00054SE, R0012DE
Models: ACE Aeronautics LLCUH-60A BHI H60 Helicopters LLCBHI H60 (UH-60A) Billings Flying Service IncUH-60A Carson HelicoptersUH-60A Delta EnterpriseUH-60A High Performance Helicopters Corp.UH-60A PJ Helicopters IncUH-60A SKYDANCE BLACKHAWK OPERATIONS LLCUH-60A Sikorsky Aircraft CorporationS-70, S-70A, S-70C, S-70C(M), S-70C(M1) Timberline Helicopters Inc.UH-60A Unical Aviation Inc.UH-60A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 975 85th Avenue SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02617SE	Status: Current	App Date: 12/20/2016	Rev Date: 06/02/2020
Description: Installation of a Mechanical Specialties Model 909 Cargo Hook
TC Nos.: H2NE, H3NE, H4NE, H5NE, R00003AC, R00005RC, R00019AT, R00020AT, R00020LA, R00021LA, R00022LA, R00023LA, R00025LA, R00052SE, R00054SE, R00058SE, R0012DE
Models: ACE Aeronautics LLCUH-60A BHI H60 Helicopters LLCBHI H60 (UH-60A) Billings Flying Service IncUH-60A Carson Helicopters Inc.UH-60A Delta EnterpriseUH-60A High Performance Helicopters Corp.UH-60A Northwest Rotorcraft LLCUH-60A PJ Helicopters IncUH-60A Pickering Aviation Inc.EH-60A SIXTYHAWK TC LLCEH-60A, HH-60L SKYDANCE BLACKHAWK OPERATIONS LLCUH-60A Sikorsky Aircraft CorporationS-70, S-70A, S-70C, S-70C(M), S-70C(M1) Timberline Helicopters Inc.UH-60A Unical Aviation Inc.UH-60A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 975 85th Avenue SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02713SE	Status: Current	App Date: 04/17/2019	Rev Date: 04/02/2021
Description: Manufacture and Installation of Human External Cargo (HEC) Hook System
TC Nos.: H3WE
Models: MD Helicopters Inc.369D, 369E, 369F, 369FF
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 975 85th Avenue SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR02713SE	Status: Historical	App Date: 04/17/2019	Rev Date: 09/20/2022
Description: Manufacture and Installation of Human External Cargo (HEC) Hook System
TC Nos.: H3WE
Models: MD Helicopters Inc.369D, 369E, 369F, 369FF, 500N, 600N
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Mechanical Specialties Inc 1000 85th Ave., SE, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09168RC	Status: Current	App Date: 11/01/1996	Rev Date: 04/19/2012
Description: Installation of a cargo hook.
TC Nos.: H2SW
Models: Bell Helicopter Textron (Canada)206B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Mechanical Specialties Inc 7822 HWY 99SE Suite A, Olympia, WA 98501, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR09168RC	Status: Historical	App Date: 11/01/1996	Rev Date: 06/25/1997
Description: Installation of a cargo hook.
TC Nos.: H2SW
Models: Bell Helicopter Textron Canada Limited206B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500