# STCs that may be installed: Bell/Southern Aero UH-1H A list on [Bell/Southern Aero UH-1H](https://openairdocs.org/model/bell-southern-aero-uh-1h.md). In force first, then newest. The registry doesn’t record which STCs an aircraft has. - [STC SR12332SE](https://openairdocs.org/stc/SR12332SE.md): Installation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System · Mechanical Specialties, LLC - [STC SR02796SE](https://openairdocs.org/stc/SR02796SE.md): Installation of Human External Cargo (HEC) system · Boost Systems LLC - [STC SH8609SW](https://openairdocs.org/stc/SH8609SW.md): Fabrication of Isolair Eliminator II Model 4600-205 fire fighting system. · Isolair Inc. - [STC SR01776SE](https://openairdocs.org/stc/SR01776SE.md): Fabrication, installation, and maintenance of the Isolair Helicopters, Inc., Model 9002 High Cross tubes · Isolair Inc. - [STC SR09176RC](https://openairdocs.org/stc/SR09176RC.md): Modification of the vertical fin spar · Midwest Aerospace TC LLC - [STC SR09224RC](https://openairdocs.org/stc/SR09224RC.md): Modification of the lift beam on the Model UH-1H · Midwest Aerospace TC LLC - [STC SR00713SE](https://openairdocs.org/stc/SR00713SE.md): Installation of Onboard Systems International Cargo Hook Kit · Onboard Systems International - [STC SR02475SE](https://openairdocs.org/stc/SR02475SE.md): Installation of a Tailboom Motion Detection System · Aircraft Structural Repair Inc. - [STC SR02492LA](https://openairdocs.org/stc/SR02492LA.md): Installation of a Helicopter Technology Company main rotor blade assembly · Helicopter Technology Co - [STC SR02641SE](https://openairdocs.org/stc/SR02641SE.md): Installation of a Service Deck · Northwest Heli-Structures Inc - [STC SR02070SE](https://openairdocs.org/stc/SR02070SE.md): Fabrication of Dart D205-770-011 Replacement Engine Mount Kit · Dart Aerospace USA Inc. - [STC SR00929SE](https://openairdocs.org/stc/SR00929SE.md): Fabrication of tail boom mounted strakes. · BLR Aerospace LLC. - [STC SR01039SE](https://openairdocs.org/stc/SR01039SE.md): Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (FAA)-approved revision; and installation of this strake system · BLR Aerospace LLC. - [STC SR01470SE](https://openairdocs.org/stc/SR01470SE.md): Fabrication and Installation of Fast Fin System. · BLR Aerospace LLC. - [STC SR03408CH](https://openairdocs.org/stc/SR03408CH.md): Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103 · Airwolf Aerospace LLC - [STC SR02413LA](https://openairdocs.org/stc/SR02413LA.md): Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000 · AKV Inc. - [STC ST04270AT](https://openairdocs.org/stc/ST04270AT.md): Install the VTOL ASSALT V3 Windscreen Laminate Kit · VTOL LLC - [STC SR00767SE](https://openairdocs.org/stc/SR00767SE.md): Fabrication of Helipro spar replacement system · Vector Aerospace Helicopter Services USA Inc. - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK.md): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system · Seaplanes North LLC - [STC SR01742NY](https://openairdocs.org/stc/SR01742NY.md): Installation of extended height landing gear. · Dart Aerospace Limited - [STC SR01196LA](https://openairdocs.org/stc/SR01196LA.md): Installation of Honeywell (Lycoming) T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13/13B/-13BA engine. Responsible ACO is Los Angeles, NM-L. · Minuteman Aviation Inc. - [STC SR09257RC](https://openairdocs.org/stc/SR09257RC.md): Fabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-800, Revision D, dated March 26, 2001, or later FAA approved revision. · Global Spar LLC - [STC SR01497AT](https://openairdocs.org/stc/SR01497AT.md): Manufacture of Windows in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-97115, no revision, dated August 20, 1997, or later FAA approved revisions, and installation per Installation Instructions listed in that report. · Bell Helicopter Textron Inc. - [STC SR01812AT](https://openairdocs.org/stc/SR01812AT.md): Manufacture of Flitestep in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-97166, no revision, dated December 19, 1997, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-97087, Revision B, dated December 18, 1997, or later FAA approved revisions. · Bell Helicopter Textron Inc. - [STC SR01922AT](https://openairdocs.org/stc/SR01922AT.md): Manufacture of Locking Door Handle. · Bell Helicopter Textron Inc. - [STC SR01923AT](https://openairdocs.org/stc/SR01923AT.md): Manufacture of Air Deflector. · Bell Helicopter Textron Inc. - [STC SR01924AT](https://openairdocs.org/stc/SR01924AT.md): Manufacture of Low Skid or High Skid Landing Gear. · Bell Helicopter Textron Inc. - [STC SR02545AT](https://openairdocs.org/stc/SR02545AT.md): Manufacture of Fast Rope Kit in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-99126-4Rev A dated June 14, 2001, or later FAA approved revision, and installation (structural provisions only) per Aeronautical Accessories, Inc. Report No. AA-98167-Rev E dated May 1, 2001, or later approved revision. · Bell Helicopter Textron Inc. - [STC SR01298NY](https://openairdocs.org/stc/SR01298NY.md): Installation of replacement crosstubes P/N D212-664. · Dart Aerospace Limited - [STC SR00563NY](https://openairdocs.org/stc/SR00563NY.md): Installation of Skidtubes and associated saddles · Dart Aerospace Limited - [STC SR00332NY](https://openairdocs.org/stc/SR00332NY.md): Installation of Avionics Specialties power analyzer and recorder no. SL17009 and SL17061. · Aerosonic Corporation - [STC SR01395NY](https://openairdocs.org/stc/SR01395NY.md): Installation of adjustable engine mount. · Dart Aerospace Limited - [STC SR01218AT](https://openairdocs.org/stc/SR01218AT.md): Manufacture of Flitestep. · Aeronautical Accessories, Inc. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(matched_model) AS matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code IN ('118141E') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/bell-southern-aero-uh-1h/stcs --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.