N994AH
STCs that may be installed · 148
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 = '1153802'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52141')
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 = '1153802'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52141')
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 · Beech A99
STC SA102CHInstallation of a Flight Visions FV-2000/KA Head-Up Display. Installed per Flight Visions Bill of Materials FV-2000/KA, Rev C, dated July 25, 1993, or later FAA Approved revisions.STC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)STC SA688NEInstallation of Safeway Model 6900 deicer boot.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.STC SA443NEInstallation of rear cargo door.STC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SA3410SW-DMitchell automatic flight system model AK913 consisting of Century 41 autopilot.STC SA3411SW-DEdo Avionics automatic yaw damper system consisting of yaw damper.STC SA1852CEInstallation of inverter rack mounted on seat tracks.STC SA566NWInstallation of parachute deployment static line attachment system.STC SA1631CEInstallation of portable airway checking equipment rack on existing seat rails.STC SA2954SWAddition of Hydro Seal Fluid Additive to the landing gear shock struts.STC SA1453CEInstallation of Sierra electronic console.STC SA1454CEInstallation of Sierra electronic console.STC SA894SOInstallation of Teledyne P/N BB638/T- Series lead-acid replacement batteries.STC SA114GLInstallation of Norton Radome Kit 3097X.STC SA2569WEInstallation of battery temperature monitor system.STC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemSTC ST01085LAInstallation of the VNS 1000 Voice Navigation System.STC SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.STC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System
Engine · Pratt & Whitney PT6A-27 series
STC SE000ENEngines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 4, dated 8/16/95.STC SE10552SCConversion of Pratt & Whitney Canada Corp. Model PT6A-27 or -28 to a Model PT6A-34 turboprop engine.STC SE02170ATInstallation of Pc Safety Valve KitSTC SE11095SCThe conversion of the Pratt & Whitney Canada, Model PT6A-27 to a PT6A-34 turboprop engineSTC 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 SE00020ENInstallation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1STC SE2960SOInstallation of an oil filler cap safety adapter.STC SE02273NYConversion of a Pratt & Whitney Canada PT6A-27 or PT6A-28 engine to operate as a PT6A-34 engine.STC SE615GLIncorporation of a fuel flow transducer.STC SE01805NYInstallation of Fuel Nozzle Adapters using studs and nuts.STC SE00691NYConversion of engine models PT6A-27 and -28 to Model PT6A-34 as described in Temporary Overhaul Data Revision.STC SE09257SCConvert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration.STC SE659NEInstallation of oil tank filler neck check valve, P/N TSA-76A.STC SE1122EARepair of combustion chamber small exit duct, P/N 3012060.STC SE7677SWModifiy the P&W Canada PT-6A-27, -28, -15AG to the PT6A-34 configuration.STC SE1251GLConversion of engine Model PT6A-27 to Model PT6A-34.STC SE1269EAStripping and recoating of compressor turbine blades, P/N 3023401, with Walbar Metals, Inc.STC SE386NEInstallation of Turbo Products PMA parts.STC SE355NEConversion of engine model PT6A-27 to model PT6A-34.STC SE241NEConversion of engine Models PT6A-27 and -28 to 01/157/3.STC SE5601SWReplacement splined end and oil mist lubrication on accessory drive gearshaft.STC SE79NEConversion to an aircooled compressor turbine vane ring configuration.STC SE1165EAAssembly and installation of AW10262 wet spline starter gear seal.STC SE4607SWRevise the starter-generator drive spline to provide lubrication with engine oil.STC SE4570SWRevise accessory drive spline, P/N 3008181.STC SE12CEInstallation of Gits Brothers Manufacturing Company dipstick filler cap assembly P/N 02297-2000.