Mechanical Specialties LLC
Named as the FAA publishes it on its approvals.
Holds 3 approved modifications, most of them for the Southwest Florida Aviation SW205. Holds 49 approvals to make replacement parts. FAA spelling: Mechanical Specialties LLC.
Approved modifications 3 · newest first
Southwest Florida Aviation SW205 1Northwest Rotorcraft Llc UH-1 1Md Helicopters Inc 600 1Md Helicopters Inc 500 1Md Helicopters Inc 369 1Bell UH-1 Huey (Iroquois) 1Bell HH-1 1Bell 412 1Bell 407 1Bell 212 1Bell 205 1Bell 204 1
2026-03-27SR12332SE · Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System · UH-1H, UH-1F, 204B
2025-03-05SR11869SE · Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System · 407
2016-08-02SR02493SE · Installation of a cargo hook · 369D, 369E, 369F
Replacement parts approved 49 parts manufacturer approvals, 49 current · Rochester, WA
A parts manufacturer approval lets a company make a replacement part for someone else's aircraft or engine and sell it as an approved part. This company's approvals are mostly for other and general (35), airframe structure (14).
Sikorsky S-61 6Bell 204 4Northwest Rotorcraft Llc UH-1 3Bell 412 2Bell 212 2Bell 205 2Md Helicopters Llc 369 1Md Helicopters Inc 600 1Md Helicopters Inc 500 1Hughes Helicopters Inc HUGHES 369 1Bell UH-1 Huey (Iroquois) 1Bell 407 1
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1B
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · 204B, 205A, 205A-1
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1E, UH-1L, TH-1L
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1B
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1A, UH-1B, UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1B
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · SW204 (UH-1B)SW204HP (UH-1B)SW205 (UH-1H)SW205A-1
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1F, TH-1F, UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1B
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1F
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1F
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1B, UH-1E, UH-1H
2026-04-29MECHANICAL SPECIALTIES, LLC MODEL 650-430-100-100ADVANCED DUEL... 650-430-100-100 · replaces Modification Part · UH-1F, TH-1F, UH-1P
2025-04-07407 HUMANEXTERNAL CARGO & NON HUMAN EXTERNAL CARGO HOOKSYSTEM 350-430-100-100 · replaces Modification Part · 407
2021-04-05369 HUMAN EXTERNAL CARGO HOOK SYSTEM 369-430-100 · replaces Modification Part · 369D, 369E, 369F
2018-11-13Model 909 Cargo Hook MDL 909-200 · replaces Modification Part · UH-60A)
Carson Helicopters (UH-60A)
Billings...
2016-10-05Cargo hook Assembly 202-101 · replaces Modification Part · Hughes) (369D, 369E, 369F
2012-08-15Vertical Fin Spar Installation VTF-030-802 · replaces VTF-030-802-001 · UH-1B)
International Helicopters, Inc. (UH-1B
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · 204B
2012-08-15Cargo Hook 606 · replaces Modification Part · 204B, 205A, 205A-1)
(212
2012-08-15Cargo Hook 6111 · replaces Modification Part · S-61N
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · UH-1F, UH-1P, TH-1F)
AST
2012-08-15Cargo Hook 6111 · replaces Modification Part · S-61N
2012-08-15Vertical Fin Spar Installation VTF-030-801 · replaces VTF-030-801-001 · UH-1B, UH-1E, HH-1K
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · UH-1H
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · UH-1H
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · UH-1H
2012-08-15Suspension Assembly UH606 · replaces Modification part · UH-1H
2012-08-15Vertical Fin Spar Installation VTF-030-801 · replaces VTF-030-801-001 · UH-1E, TH-1L, UH-1L
2012-08-15Cargo Hook 303 · replaces Modification Part · CANADA) (206B
2012-08-15Cargo Hook 6111 · replaces Modification Part · S-61A
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · UH-1H, UH-1F, TH-1F)
Rotorcraft Dev. Corp. (UH-1H
2012-08-15Suspension Assembly UH606 · replaces Modification Part · 212
2012-08-15Vertical Fin Spar Installation VTF-030-802 · replaces VTF-030-802-001 · UH-1B)
Richard's Heavylift Helo, Inc. (UH-1A,...
2012-08-15Vertical Fin Spar Installation VTF-030-800 · replaces VTF-030-800-001 · UH-1H)
Arrow Falcon Exporters Inc. (UH-1H
2012-08-15Vertical Fin Spar Installation VTF-030-801 · replaces VTF-030-801-001 · UH-1E, UH-1L, TH-1L
2012-08-15Vertical Fin Spar Installation VTF-030-801 · replaces VTF-030-801-001 · UH-1E
2012-08-15Vertical Fin Spar Installation VTF-030-801 · replaces VTF-030-801-001 · UH-1B)
International Helicopters, Inc (UH-1B
2011-01-20Cargo hook 6111 · replaces Modification part · S-61N Shortened version STC SR 00283SE
2011-01-20Suspension Assembly UH606 · replaces Modification part · UH-1H
2011-01-20Cargo hook 6111 · replaces Modification part · S-61A)
(S-61N)
(S-61N Shortened version STC SH604NE
2011-01-20Cargo hook 606 · replaces Modification part · 204B)
(205A)
(205A-1)
(212)
(412)
(412EP
2011-01-20Cargo hook 303 · replaces Modification part · Canada) (206B
2011-01-20Cargo hook 6111 · replaces Modification part · S-61N
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.