N54621

STCs that may be installed · 475

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 = '7102308'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41533')
    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.

Airframe · Piper PA-23-250

STC SA266SOModification of fuel cap 16097-00 by making a new cover and enlarging the lower vent hole. Rework fuel cell filler neck door 19049-06 by putting a spring loading vent in the door to be used as auxiliary vent during icing conditions.Avco Corporation · Lists PA-23 SeriesSTC SA268WESixth seat and emergency exit.Monarch Avn Associates · Lists PA-23 SeriesSTC SA3-158Radio power pack on bulkhead forward of instrument panel.Capitol Aviation Inc · Lists PA-23 SeriesSTC SA3-397Petch Manufacturing Company right or left-handy hydrotrim aileron trim device.Kingsley A Doutt · Lists PA-23 SeriesSTC SA3-509L-2B autopilot with or without altitude control and approach coupler.Bendix Corp · Lists PA-23 SeriesSTC SA3-644Adams Rite 2302 rev. C-2 handle on inside of cabin door.Product Development Group · Lists PA-23 SeriesSTC SA3-728Lycoming O-360-AID engines with Hartzell HC-92ZK-2B/8447-12A or HC-C2YK-2R/7666-4 propellers and increase gross weight to 3,684 lbs.Reed Jackson M. · Lists PA-23 SeriesSTC SA3-94Narco 1016 antenna and/or remote compass transmitter, equipment shelf, oxygen bottle mounting.Capitol Aviation Inc · Lists PA-23 SeriesSTC SA337EAConversion of aircraft electrical system to 24 volt. (PA-23-250 SN 27-2505 and up)Reading Avn Svc IncSTC SA376WELeft and right third window.Met-Co-Aire · Lists PA-23 SeriesSTC SA387WESixth seat and escape hatch.Met-Co-Aire · Lists PA-23 SeriesSTC SA394WEReplacement engine nose cowls.Met-Co-Aire · Lists PA-23 SeriesSTC SA395WELycoming O-360-A1A engines and Hartzell HC-C2YK-2R/7666-2 propellers.Met-Co-Aire · Lists PA-23 SeriesSTC SA4-1131SP-3 autopilot, less altitude and navigation hold features.Sperry Flight System Div · Lists PA-23 SeriesSTC SA4-1602Dorsal fin.Mountain States Avn Inc · Lists PA-23 SeriesSTC SA4-299Windows at station 144.Hamilton Aviation Inc · Lists PA-23 SeriesSTC SA4-345B Arcon.Motorola Aviation Electronics Inc. · Lists PA-23 SeriesSTC SA4-652Full flow aerofilter kit 3-1A101.Winslow Aerofilter Corp · Lists PA-23 SeriesSTC SA4-925Magnetic flight director 2000.Clarkson Company · Lists PA-23 SeriesSTC SA47CEGovernor 210413.Woodward Governor Co · Lists PA-23 SeriesSTC SA480EAInstallation of photographic equipment.Sewall James W CoSTC SA65EAOne Aerojet-General 15NS-250 aircraft rocket engine on underside of fuselage on airplane centerline aft of main spar wing and relocation of cabin air intake scoop assembly.DeVore Engineering Svc · Lists PA-23 SeriesSTC SA1-169Reinforcement of floor structure between fuselage station 91-1/2 and 123-3/4 and provision for tie-down facilities.A E Muhlhauser · Lists PA-23 SeriesSTC SA1-28Radio rack limited to 30 pounds of radio equipment.Airborne Communications, Inc · Lists PA-23 SeriesSTC SA1-383Lube oil filter PB 55-1.Fram Corporation · Lists PA-23 SeriesSTC SA1-5Unfeathering system change to HC-82XL-2/7636D-4 or HC-A2XL-2/7636D-4 propellers.Hartzell Propeller, Inc · Lists PA-23 SeriesSTC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorPeregrineSTC SA02019SE-D PAGE 2Installation of Garmin GTN 6XX/7XX Navigation SystemGarmin International IncSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemGarmin International IncSTC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleVoiceFlight Systems LLCSTC SA01435DEInstallation of engines, modified with a Firewall Forward Technologies.Centri-Lube Technologies LLCSTC ST01085LAInstallation of the VNS 1000 Voice Navigation System.VNS IncorporatedSTC 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 700-00165-000Avidyne CorporationSTC SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.Garmin AT Inc.STC SA01229SEInstallation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios.UPS Aviation TechnologiesSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International

Engine · Lycoming TI0-540 series

STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.B & C Specialty Products Inc. · Lists TIO-540-A1ASTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd. · Lists TIO-540-A1ASTC SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding Company · Lists TIO-540-A1ASTC SE02352CHInstallation of Challenger cleanable oil filter assemblyChallenger Aviation Products Inc. · Lists TIO-540-A1ASTC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.B & C Specialty Products Inc. · Lists TIO-540-A1ASTC SE2667CEInstallation of B&C Specialty Products lightweight (10.2 pounds) engine starter PN BC315-100-2(12 volt) or PN BC315-100-4 (24 volt).B & C Specialty Products Inc. · Lists TIO-540-A1ASTC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc. · Lists TIO-540-A1ASTC SE01436LAInstallation of Firewall Forward Technologies LLC modified camshaftCentri-lube Technologies LLC · Lists TIO-540-A1ASTC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition Corp · Lists TIO-540-A1ASTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc. · Lists TIO-540-A1ASTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.Cygnet Aerospace Corp · Lists TIO-540-A1ASTC SE04445ATInstallation of Continental Motors, Inc. (CMI) S-1200 Series Magnetos (10-349290-1 and 10-349310-1) and associated hardwareContinental Motors Inc. · Lists TIO-540-AE2ASTC SE09445SCInstallation of fuel injector nozzles.General Aviation Modifications Inc.STC SE7503SWInstallation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision.Continental Motors, Inc.
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