N9233F
STCs that may be installed · 194
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 = '4470728'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03081')
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 = '4470728'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03081')
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 · Hughes 369HS
STC SH8638SWInstallation of a forward door window.STC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.STC SA5813NMInstallation of generator cooling kit.STC SH5803NMInstallation of utility floats.STC SH5683NMInstallation of Model 10170 antenna mount structure.STC SH1834NMInstallation of Silver Instrument Fueltron IPT-IGS, IPT-IPS IPT-ILS, or IPT-IKS digital fuel flow indicating system.STC SH829NWInstallation of a weighing system.STC SH401GLInstallation of Facet Enterprises engine lubrication system scavenge filter.STC SH7599SWInstallation of Tech-Tool forward glass door with slide window, P/N 369-3505-3 or -4.STC SH7600SWInstallation of Tech-Tool forward glass door with drop down single hinge, P/N 369-3509-1 or -2.STC SH132WEInstallation of two side cargo racks. (369HS (SN 0101 & subsequent)) (369HE (SN 0101 & subsequent)) (369HM (SN 0201 & subsequent))STC SH4173NMInstallation of Simplex Model 7600 modular electrical system. (US ARMY OH-13E M74A)STC SH3708NMInstallation of ARNAV Systems FC-10 or FT-10 digital fuel flow indicating system.STC SH302NEInstallation of 'zapper' electric chip detector system, Model No. SY1024.STC SH3556NMInstallation of low profile instrument panel.STC SH1871NMInstallation of Teledyne-Gill P/N G-641 lead acid battery.STC SH2913NMInstall Soft Terrain Pads on helicopter skid gearSTC SH2913WEInstall soft terrain pads on helicopter skid gear.STC SH299NMModification of gears and shafts.STC SH1681NMInstallation of a Simplex Model 5500 Spray systemSTC SH1172SOInstallation of an AFE Model 3000 canopy defogger system.STC SH875NWInstallation of a side cargo hookSTC SH236WEInstallation of searchlight.STC SH958SOInstallation of SAFT 16156 nickel cadmium battery.STC SH898EAInstallation of pod type cargo container kits.STC SH155WEInstallation of battery temperature monitor system.STC SH598NWInstallation of Onboard weighing systemSTC SH214WEInstallation of external neutron detector moduel and associated cockpit displays.STC SH552NWInstall cargo hook electronic scale.STC SH112GLInstallation of Marathon CA1700-1 nickel cadmium storage battery.STC SH123GLInstallation of SAFT 1656-1 nickel cadmium electrical storage battery.STC SH1054EAInstallation of Garrett AiResearch environmental control system. (Carson Kit No. C500-10-50000).STC SH183WEInstallation of turbine overtemperature warning system.STC SH242NWInstallation of battery in Hughes369HS helicopter to replace original.STC SH358ALInstallation of Airglas model L-2700-369 skisSTC SH690SOInstallation of SunAir Electronics Model ASB-60 or ASB-125 HF radio transceiver and associated system.STC SH1657SWFull length, hard surface, skid shoes on standard skid landing gear.
Engine · Allison 250-C20B
STC SE5511NMInstallation of compressor discharge pressue (PC) valve.STC SE769NWInstallation of Soloy Part No. 250-1001-1 fuel line.STC SE00014ENInstallation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models.STC SE00027ENInstallation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models.STC SE492GLIncorporation of a fuel flow transducer.STC ST00037ATUnison igniter plugs, P/N 9044400-1.STC SQ00338ATUnison igniter leads, P/N9048222-101, 102, 103, 104, 105, 106.