FAA-listed STC holder

Mechanical Specialties Inc STCs

The Jun 30, 2026 FAA DRS snapshot lists 10 selected supplemental type certificates with status Current under Mechanical Specialties Inc. The records span 37 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Apr 2, 2021

latest recorded revision

Recently revised records

Showing the 10 most recently revised records. Category directories provide the complete paginated discovery path.

10 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Mechanical Specialties Inc supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SR02713SE Manufacture and Installation of Human External Cargo (HEC) Hook System. Cargo and special mission View record	MD Helicopters 369DTC H3WE MD Helicopters 369ETC H3WE MD Helicopters 369FTC H3WE MD Helicopters 369FFTC H3WE	Current at cited snapshot Revised Apr 2, 2021 Application: Apr 17, 2019	FAA holder: Mechanical Specialties Inc FAA authority record
SR02617SE Installation of a Mechanical Specialties Model 909 Cargo Hook. Cargo and special mission View record	ACE Aeronautics UH-60ATC R00005RC BHI H60 Helicopters BHI H60 (UH-60A)TC R0012DE Billings Flying Service UH-60ATC R00021LA Carson Helicopters UH-60ATC R00020AT Delta Enterprise UH-60ATC R00019AT High Performance Helicopters Corp UH-60ATC R00054SE Northwest Rotorcraft UH-60ATC R00058SE Pickering Aviation EH-60ATC R00003AC PJ Helicopters UH-60ATC R00020LA Sikorsky Aircraft S-70TC H2NE Sikorsky Aircraft S-70CTC H3NE Sikorsky Aircraft S-70C(M)TC H4NE Sikorsky Aircraft S-70C(M1)TC H4NE Sikorsky Aircraft S-70ATC H5NE SIXTYHAWK TC EH-60ATC R00025LA SIXTYHAWK TC HH-60LTC R00025LA SKYDANCE BLACKHAWK OPERATIONS UH-60ATC R00022LA Timberline Helicopters UH-60ATC R00052SE Unical Aviation UH-60ATC R00023LA	Current at cited snapshot Revised Jun 2, 2020 Application: Dec 20, 2016	FAA holder: Mechanical Specialties Inc FAA authority record
SR00465SE Installation of a Mechanical Specialties Model 611 cargo hook. Cargo and special mission View record	Sikorsky Aircraft S-61NTC 1H15	Current at cited snapshot Revised Apr 19, 2012 Application: Apr 4, 1997	FAA holder: Mechanical Specialties Inc FAA authority record
SR00632SE 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. Cargo and special mission View record	Bell Helicopter Textron 204BTC H1SW Bell Helicopter Textron 205ATC H1SW Bell Helicopter Textron 205A-1TC H1SW Bell Helicopter Textron 212TC H4SW Bell Helicopter Textron 412TC H4SW Bell Helicopter Textron 412EPTC H4SW	Current at cited snapshot Revised Apr 19, 2012 Application: Sep 20, 1997	FAA holder: Mechanical Specialties Inc FAA authority record
SR01946SE Installation of the Mechanical Specialties, Model UH606. Other aircraft modifications View record	Arrow Falcon Exporters UH-1HTC R00007DE Rotorcraft Development UH-1HTC H13WE Northwest Rotorcraft UH-1HTC R00005SE Overseas Aircraft Support UH-1HTC H7SO	Current at cited snapshot Revised Apr 19, 2012 Application: Jun 28, 2008	FAA holder: Mechanical Specialties Inc FAA authority record
SR02126SE 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. Other aircraft modifications View record	Bell Helicopter Textron 204BTC H1SW Bell Helicopter Textron 205A-1TC H1SW Bell Helicopter Textron 212TC H4SW Bell Helicopter Textron 412TC H4SW Bell Helicopter Textron 412EPTC H4SW	Current at cited snapshot Revised Apr 19, 2012 Application: Mar 31, 2009	FAA holder: Mechanical Specialties Inc FAA authority record
SR09168RC Installation of a cargo hook. Cargo and special mission View record	Bell Helicopter Textron (Canada) 206BTC H2SW	Current at cited snapshot Revised Apr 19, 2012 Application: Nov 1, 1996	FAA holder: Mechanical Specialties Inc FAA authority record
SR01991SE : 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. Other aircraft modifications View record	Bell Helicopter Textron Canada 206ATC H2SW Bell Helicopter Textron Canada 206BTC H2SW	Current at cited snapshot Revised Sep 27, 2011 Application: Jan 23, 2009	FAA holder: Mechanical Specialties Inc FAA authority record
SR01738SE Installation of a Mechanical Specialties, Inc. model 6111, 11,000 pound capacity cargo hook. Cargo and special mission View record	Sikorsky Aircraft S-61ATC H2EA	Current at cited snapshot Revised Feb 22, 2007 Application: Oct 14, 2006	FAA holder: Mechanical Specialties Inc FAA authority record
SR01739SE 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). Cargo and special mission View record	Sikorsky Aircraft S-61NTC 1H15	Current at cited snapshot Revised Feb 22, 2007 Application: Oct 17, 2006	FAA holder: Mechanical Specialties Inc FAA authority record

Mechanical Specialties Inc STCs

Modification mix

Aircraft represented

Recently revised records

Manufacture and Installation of Human External Cargo (HEC) Hook System.

Installation of a Mechanical Specialties Model 909 Cargo Hook.

Installation of a Mechanical Specialties Model 611 cargo hook.

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.

Installation of the Mechanical Specialties, Model UH606.

Installation of a cargo hook.

Installation of a Mechanical Specialties, Inc. model 6111, 11,000 pound capacity cargo hook.