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No. of STCs: 1

STC Holder: Mechanical Specialties, LLC 1000 85th Ave SE Olympia, WA 98501		If you are an STC Holder, Contact us to have your company added here!
STC No.: SR12332SE	Status: Current	App Date: 01/20/2025	Rev Date: 03/27/2026
Description: Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System
TC Nos.: H11SW, H12NM, H15NM, H1RM, H1SW, H2NM, H3NM, H3SO, H4NM, H4SW, H5NM, H5SO, H6SO, H7NE, H7SO, R00002RC, R00004RC, R00005SE, R00007DE, R00008AT, R00010SE, R00012AT
Models: AST Inc.UH-1F Arrow Falcon Exporters Inc.UH-1H Bell Textron Inc.204B, 205A, 205A-1, 205B, 212, 412, 412CF, 412EP, TH-1L, UH-1E, UH-1L California Department of ForestryUH-1F Global Helicopter Technology Inc.UH-1H Hagglund Helicopters LLCUH-1H International Helicopters Inc.UH-1B JJASPP Engineering Services LLCUH-1H Midwest Aerospace TC LLCHH-1K, TH-1F, TH-1L, UH-1B, UH-1E, UH-1F, UH-1L, UH-1P Northwest Rotorcraft LLCUH-1H Overseas Aircraft Support Inc.TH-1L, UH-1B, UH-1E, UH-1H, UH-1L Red Tail Flying Services LLCUH-1B Richards Heavylift Helo Inc.UH-1A, UH-1B, UH-1H Robinson Air Crane Inc.TH-1F, UH-1F, UH-1P Southwest Florida Aviation InternationalSW204 (UH-1B), SW204HP (UH-1B), SW205 (UH-1H), SW205A-1 Tamarack Helicopters Inc.TH-1F, UH-1F, UH-1H WSH LLCUH-1B
ACO: AIR-770: West Certification Branch SEA