N99LQ
STCs that may be installed · 265
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 = '0141102'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '42325')
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 = '0141102'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '42325')
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 · Aero Commander 500
STC SA137CELower window line in cabin area.STC SA1454WEInstallation of Brittain Model B-4A flight control system.STC SA1580WEInstallation of Brittain Model B-5 flight control system.STC SA256WEControl wheel replacement.STC SA3-259Collins glide slope, VOR, navigation and VHF communications antenna; Aircraft Radio Corp. ADF antenna; and Grimes rotating beacons.STC SA3-52537R-2 antenna.STC SA3-721Cabin temperature control system with Janitrol S-25 heater.STC SA30CE210405 governor.STC SA4-1309L-2C autopilot.STC SA4-777Aerofilter 30409A-12 or full flow filter 30409A with element 1A0235.STC SA459EAConversion to Model 500B.STC SA70CEFederal F-500 automatic pilot.STC SA84SWAutomatic pilot.STC SA1-142Modified ARC A13-B antenna.STC SA1-445ARC Type A13-B VHF navigational antenna on vertical fin.STC SA1-525ARC A13-B antenna on vertical fin with rotating beacon.STC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorSTC SA02019SE-D PAGE 2Installation of Garmin GTN 6XX/7XX Navigation SystemSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemSTC SA01435DEInstallation of engines, modified with a Firewall Forward Technologies.STC ST01085LAInstallation of the VNS 1000 Voice Navigation System.STC SA00281BO PAGE 3Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000STC 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 · Lycoming O-540-A2B
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.STC SE208SOInstallation of ice indicator in the carburetor.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE01954SEInstallation of engine crankcase seal.STC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.STC SE2388CEInstallation of B&C Speciality Products lightweight (10.2) pounds) engine starter, part number BC-315-100-1 (12 volts)
or part number BC-315-100-3 (24 volts)STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE01436LAInstallation of Firewall Forward Technologies LLC modified camshaftSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.STC SE4408SWMiscellaneous engine cylinder replacement parts.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.STC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.STC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.STC SE2901NMLycoming valve cover gasketSTC SE00768CHReplace Slick 6000, 6100, 6200 and 6300 series magnetos and TCM/Bendix S6-20, S6-200 and S6-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition systemSTC SE8193SWGrind nitriden high compression cylinder barrles to plus .010 oversize and install SL75089 P10 piston, SL74242 P10 compression ring, and SL73857 P10 oil ring.STC SE7734SWModification of engine for operation with ethanol fuel.STC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIISTC SE17WEInstallation of AiResearch Turbosupercharger 406330.STC SE5743NMIntallation of adapter for externally mounted oil filter.