N204HT

STCs that may be installed · 22

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest.

Query with SQL
duckdb -csv -c "SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
    FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '1280001'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41551')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY m.side, s.status = 'Current' DESC, s.status_date DESC, s.stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

Airframe · Hawkins & Powers UH-1B

STC SR12332SEInstallation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook SystemMechanical Specialties, LLCSTC SH3744NMDual Battery InstallationWSH, LLCSTC SR00026DEInstallation of tailboom 24 inch plug extension, commercial style main rotor blades, and rotorhead.Midwest Aerospace TC LLCSTC SR00073DEReplacement of Lycoming T53-L-13 series powerplantMidwest Aerospace TC LLCSTC SR00119DEInstallation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control CablesMidwest Aerospace TC LLCSTC SR09177RCModification of the vertical fin sparMidwest Aerospace TC LLCSTC SR02761LAInstallation of UH-1H composite main rotor blades on the UH-1B helicoptersNorthern X-Treme HelicoptersSTC SH5690NMInstallation of Advanced Technology Aircraft Co. engine barrier filter.WSH, LLCSTC SR02492LAInstallation of a Helicopter Technology Company main rotor blade assemblyHelicopter Technology CoSTC SR01039SEFabrication 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 systemBLR Aerospace LLC.STC SR03408CHInstall Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103Airwolf Aerospace LLCSTC SR02413LAInstallation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000AKV Inc.STC ST04270ATInstall the VTOL ASSALT V3 Windscreen Laminate KitVTOL LLCSTC SR00767SEFabrication of Helipro spar replacement systemVector Aerospace Helicopter Services USA Inc.STC SR01742NYInstallation of extended height landing gear.Dart Aerospace LimitedSTC SR02051LAInstallation of a VAn Horn Aviation Tail Rotor Blade.Van Horn Aviation LLCSTC SR09313RCFabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-802, Revision B, dated April 5, 2001, or later FAA approved revision.Global Spar LLCSTC SR09316RCFabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-801, Revision B, dated April 5, 2001, or later FAA approved revision.Global Spar LLCSTC SR01298NYInstallation of replacement crosstubes P/N D212-664.Dart Aerospace LimitedSTC SH201WEInstallation of stirrup assemblies to directional control pedals for operation by handicapped pilot. (US ARMY OH-13E 205A)Dallwig Barry CSTC SH2621SOModification of main rotor blades P/N 204-011-250-5 or P/N 204-011-250-113 for restricted category.Hill Mr. Jamie R.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.Electronics International
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