N58468
STCs that may be installed · 44
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 = '9640001'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41552')
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.
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 = '9640001'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41552')
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_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Airframe · Western International Avia UH-1H
STC SR12332SEInstallation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook SystemSTC SR00266SEReplacement of the Lycoming Model T53-L-13B engine with a Lycoming Model T53-L-703 engine flat rated to the same power settings specified in Type Certificate Data Sheet (TCDS) H15NMSTC SH8609SWFabrication of Isolair Eliminator II Model 4600-205 fire fighting system.STC SR01029DEInstallation of a spraying system on UH-1H S/N 69-15855STC SR01776SEFabrication, installation, and maintenance of the Isolair Helicopters, Inc., Model 9002 High Cross tubesSTC SR00143DEInstallation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003STC SR09176RCModification of the vertical fin sparSTC SR09224RCModification of the lift beam on the Model UH-1HSTC SR02475SEInstallation of a Tailboom Motion Detection SystemSTC SR02492LAInstallation of a Helicopter Technology Company main rotor blade assemblySTC SR02641SEInstallation of a Service DeckSTC SR02070SEFabrication of Dart D205-770-011 Replacement Engine Mount KitSTC SR00929SEFabrication of tail boom mounted strakes.STC 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 systemSTC SR01470SEFabrication and Installation of Fast Fin System.STC SR03408CHInstall Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103STC SR02413LAInstallation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000STC ST04270ATInstall the VTOL ASSALT V3 Windscreen Laminate KitSTC SR00767SEFabrication of Helipro spar replacement systemSTC SR00267SEFabrication and Installation of a Bell Model 212 vertical tail fin and rotor, 42 and 90 gearboxes, and 212 push rod anti-torque control systemSTC SR01742NYInstallation of extended height landing gear.STC SR09181RCFabrication of Simplex Model 304 fire attack system.STC SR01196LAInstallation of Honeywell (Lycoming) T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13/13B/-13BA engine. Responsible ACO is Los Angeles, NM-L.STC SR02051LAInstallation of a VAn Horn Aviation Tail Rotor Blade.STC SR09257RCFabrication, 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.STC SR01497ATManufacture 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.STC SR01565ATInstallation of Replacement Fuel Cap and Locking Fuel Cap on UH-1H model helicopters in accordance with Aeronautical Accessories, Inc. Report No. AA-96134, Installation Instructions Replacement Fuel Cap or Locking Fuel Cap Kit , Rev. A dated
October 3, 1997, or later FAA approved revision.STC SR01812ATManufacture 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.STC SR01922ATManufacture of Locking Door Handle.STC SR01923ATManufacture of Air Deflector.STC SR01924ATManufacture of Low Skid or High Skid Landing Gear.STC SR02545ATManufacture 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.STC SR00103SEInstallation of Aviation Development Corporation oil filterSTC SR01298NYInstallation of replacement crosstubes P/N D212-664.STC SR00563NYInstallation of Skidtubes and associated saddlesSTC SR01395NYInstallation of adjustable engine mount.STC SR00757SEFabrication and installation of Simplex model 904 flight stepsSTC SR01218ATManufacture of Flitestep.STC SR00345SEInstallation of Simplex Manufacturing Company Model 7300 spray tank system. (UH-1H RESTRICTED CATEGORY ONLY)STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.
Engine · Lycoming T-53 series
STC SE00585ATInstallation of Aeronautical Accessories, Inc. PC Safety Valve Kit.STC SE00028ENInstallation of Pratt & Whitney Engine Services Inc. SmartCycle Plus Engine Monitoring System, P/N EMU-K-010-1 on specified T53 engine models.STC SE00029ENInstallation of Pratt & Whitney Engine Services Inc. SmartCycle Plus Engine Monitoring System, P/N EMU-K-010-1 on specific T53 engine models.STC SE01440NYConversion of Honeywell engine model T5313B to Honeywell engine model T5317A utilizing Aero Design, Ltd. conversion instructions C1437.02 dtd 4/30/01.