N2425L

STCs that may be installed · 489

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 = '2072424'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '27043')
    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 · Cessna 172H

STC SA603SWInstallation of Mitchell automatic flight system model AK191 consisting of Century II and radio coupler and model AK192 automatic aileron stabilizer.Century Flight Systems IncSTC SA3046SW-DInstallation of Mitchell automatic flight system model AK524 consisting of Century IIB autopilot with optional radio coupler.Century Flight Systems IncSTC SA1418SOReplacement of rotor vanes in Airborne 211CC and 212CW vacuum pumps. (See limitations)Aircraft Products Supply Co IncSTC SA995SWIncrease wing leading edge radius wing tip fairings, and landing light lens.Williams Bob or BarbaraSTC SA1947CEReplace existing engine driven vacuum pump with engine driven piston-type vacuum pump.Sigma-Tek, IncSTC SA1584SOInstallation of Appalachian Accessories' brake rotor P/N 75-27.Appalachian Accessories · Lists 172 SeriesSTC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.Electronics InternationalSTC SA3105WEInstallation of flapgap fairing. (172N, 179P, 172Q NORMAL AND UTILITY CATEGORIES)Thermal Aircraft CompanySTC SA1513SOInstallation of front seat modification.Civil Air Patrol Corporation · Lists 172 SeriesSTC SA1371SWWing leading cuff, wing tips and upper surface flow fences.Williams Robert or BarbaraSTC SA1406SOInstallation of Model CC-1 checkpoint computer.Perception SystemsSTC SA4717SWInstallation of Texas Instruments Model 9100 Loran C navigator.Texas Instruments, IncSTC SA296GLConvert to conventional landing gear.Robert or Barbara WilliamsSTC SA315GLInstallation of Fluidyne skis.Robert L. or Barbara V. WilliamsSTC SA319GLInstallation of Bolen wheel extenders on Cessna models modified per STCSA296GL.Williams Robert or BarbaraSTC SA590CEInstallation of horse transportation stalls. (727-22C)Interstate Airlines, Inc · Lists 172 SeriesSTC SA2075WEInstallation of Madras Air Service Inc. 'Super Tips.' (172l NORMAL CATEGORY)Madras Air ServiceSTC SA1294SOInstallation of an adjustable nine-inch trim tab on left aileron.Aero Trim, IncSTC SA115NWModification of R.H. Door and the addition of a jump seat.Bunch Charles PSTC SA4283WEInstallation of electric inflatable door seal.Bob Fields AerocessoriesSTC SA826NWInstallation of Cessna flap gap seal fairingsSeaplane Flying IncSTC SA3788WEInstallation of the 'liftrol' wing spoiler system.Cleaves Esther ESTC SA902CEInstall STOL kit.Williams Bob or BarbaraSTC SA1474SWInstallation of 'MASA' 1223000-7 and -8 wing tip.Williams Robert or BarbaraSTC SA326GLinstallation of fuel tankcaps.John J FrancissenSTC SA2654WEInstallation of Pathfinder Model P2A( ) autopilot.Astronautics Corporation of AmericaSTC SA308EAInstallation of carburetor ice detection system 105AP in single and twin engine aircraft and single engine helicopters powered by Continental, Franklin, and Lycoming type engines equipped with Marvel-Schebler MA-2, MA-3, MA-4, MA-4-5, MA-6 and HA-6 series carburetors. (Normal,Utility and Acrobatic Category airplanes and helicopters equipped with engines and carburetors as described.)Alfred R PuccinelliSTC SA2386SWInstallation of S.A.F.E., EGT, CHT Systems.Avicon Development CorporationSTC SA1431WEInstallation of rudder trim system.Robertson Aircraft CorpSTC SA204GLInstallation of Avco Lycoming O-320-E2D engine.Professional Avn IncSTC SA499NWInstallation of Robertson leading edge cuff, Robertson fence, and Cessna wing flap fillersSeaplane Flying IncSTC SA175EAInstallation of wing struts modified to include Wings With Springs Model200 hydraulic-pneumatic shock absorbers and associated airframe modifications.Wings With Springs, IncSTC SA1311CEChrome plated brake disc installation.Engineering Plating & Processing, Inc.STC SA414NWInstallation of Lycoming O-360-A1F6D engine and McCauley propeller and associated systemsSalem AviationSTC SA3072WEInstallation of emergency warning system.Systems Management Associates, Inc. · Lists 172 SeriesSTC SA1-545External electrical power receptacle.R H Haynes, Inc · Lists 172 SeriesSTC SA69NWInstallation of Matney's engine charge air-air filter assembly. (AA-1B, AA-1, AA-1A 1969 AND ON) (AA-5 1972, 1973 AND 1974 ONLY)Matney D HSTC SA105NWMounting and wiring for occasional installation and use of Barnes Engineering Company airborne fire spotter system.State of WashingtonSTC SA86NWInstallation of automatic carburetor alternate air control unit.Aero Deicers, IncSTC SA2362WEInstallation of lure toxicant dispenser AEY 70, Model #1.USDASTC SA1677SWInstallation of wing leading edge cuff.Southern Aircraft CorpSTC SA1261WEInstallation of control position indicator (CPI) system.Sundstrand Data Control IncSTC SA1694WEInstallation of Franklin GA-350-C2 engine, McCauley 2A31C/84S-6 propeller, and Aqua Float Corporation Model 2400, or Edo Corporation Model 248B-2440 floatsFranklin Engine Co IncSTC SA1588WEInstallation of supplemental exterior flashing lights.Delta Products IncSTC SA436EAInstallation of Franklin Engine Model 6A-350-02 engine with McCauley 2A31C21/848-8 or 2A31C21/846-6 propeller and new engine mount and associated components.Franklin Engine Co IncSTC SA117EAFlow lube oil filter PB 55-1.Fram Aerospace · Lists 172 SeriesSTC SA318WETorso tank 61900 or 64200.Mark XII, Inc · Lists 172 SeriesSTC SA733WE12.7-gallon auxiliary fuel tank.Aircraft Modification & Repair · Lists 172 SeriesSTC SA116EAInstallation of Fram Part flow Lube oil filter model PB 55-1.Fram Aerospace · Lists 172 SeriesSTC SA10WEArens Vernier type throttle control.Van Nuys Skyways Inc
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