N301SD
STCs that may be installed · 99
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 = '4470503'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03020')
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 = '4470503'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '03020')
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 369A
STC SR01430LAInstallation of Stainless Steel Skid shoes.STC SR01136SEFabrication of AMC AM369A6200-45, -46, -57, -58 Landing Gear Fillet Fairings and AM369H6200-73, and -74 Landing Gear Fairing Guides per AMC Master Drawing List No. MDL-AMC-003, Rev A, dated August 29, 2002 or later FAA approved revision; and installation of this assembly in accordance with the Maintenance Manual for the rotorcraft, document number CSP-HMI-2, Rev 21, or later FAA approved revision.STC SR01682LAInstallation of cargo rackSTC SH390NWInstallation of an electronic weighing system, for monitoring cargo hook weight, in accordance with Measurement Systems International, Inc., Installation drawing No. D00327, Sheets 1 and 2, or Drawing D00473, Rev. E.STC SR00811NYInstallation of Technisonic Industries Limited TFM-138 series transceiver models.STC SR01834NYInstallation of Globalstar Satellite Telephone System.STC SH980NEInstallation of a Heli-Logistics Ltd. P/N HL92116 engine upper firewall.STC SR01282LAInstallation of a tail rotor blade assembly.STC SA2294SOInstallation of seat access panel in accordance with ALM Technologies, Inc., Drawing List, Document No. 3698001, dated August 21, 1987, or later FAA approved revision.STC SR01427LAInstallation of Teledyne Battery Products G-641 and G-641S lead-acid battery.STC SR00716SEInstallation of Concorde RG500 battery in accordance with Aero-Jet Trading 'Installation Instructions Concorde Battery Hughes 500 & MD369 Series Helicopter' Manual Number AJ-369, Revision New, dated May 18, 1999, or later FAA approved revision.STC SH1258SOInstallation of Utah Research and Development Co. Model 124BC101 battery charging system.STC SR00409SERapid removal door system hinges, installed in accordance with Certified Technology Installation Instructions CT9602-1, Revision C, dated January 1, 2000, or later FAA approved revision and manufactured in accordance with Certified Technology Drawing List CT9602, Revision E, dated January 10, 2000, or later FAA approved revision.STC SR00125BOInstallation of a Pratt & Whitney Engine Services, Inc.-Honeywell IntelliStart Plus+TM Electronic Control System P/N DPU-K-010STC SH849NEInstallation of Utility Equipment Kit consisting of Cargo Mirror, Bearpaws and Bubble or Wedge Door Windows.STC SR01346NYInstallation of Navigation Lights with Vancouver Island Helicopter Master Document List V500-300-MDL, Rev 1, dated February 14, 2001.STC SH201WEInstallation of stirrup assemblies to directional control pedals for operation by handicapped pilot. (US ARMY OH-13E 205A)STC SR09260RCInstallation of forward door and aft door bubble type windows.STC SR01062LAInstallation of Aerometals exhaust tailpipe outlet hangar assemblies, P/N 369X8236.STC SR00974LAInstallation of Aerometals Low Speed Actuator Assemblies, P/N 369X7014.STC SH667NWInstallation of an auxiliary fuel tank in the aft passenger compartment.STC SR00356LAInstallation approval of Aerometals replacement cooling fan scroll housing. (369HS s/n 0001S-0100S) (369HM s/n 0030M-0100M)STC SH2240SOReplace existing nickel cadmium battery with Teledyne Gill G-641 series lead-acid battery.STC SH8719SWInstallation of replacement wedge windows.STC SH8696SWInstallation of IVAR camera mount, IVAR 500-3 system.STC SH215WEInstallation of tail floodlights on fuselage.STC SH8639SWInstallation of an aft door window.STC SR00021NYInstallation of bear paws.STC SH8638SWInstallation of a forward door window.STC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.STC SH5683NMInstallation of Model 10170 antenna mount structure.STC SH829NWInstallation of a weighing system.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 SH4173NMInstallation of Simplex Model 7600 modular electrical system. (US ARMY OH-13E M74A)STC SH2913NMInstall Soft Terrain Pads on helicopter skid gearSTC SH2913WEInstall soft terrain pads on helicopter skid gear.STC SH1681NMInstallation of a Simplex Model 5500 Spray systemSTC SH598NWInstallation of Onboard weighing systemSTC SH358ALInstallation of Airglas model L-2700-369 skisSTC SH1657SWFull length, hard surface, skid shoes on standard skid landing gear.
Engine · Allison 250-C20 series
STC SE2352NMModification of turbine engine.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.