N52521
STCs that may be installed · 530
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 = '2072436'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41508')
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 = '2072436'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41508')
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 · Cessna 172P
STC SA02419ATManufacture of Composite Engine CowlingsSTC SA4632NMInstallation of extended range wing fuel tanks.STC SA3727SWInstall vacuum pump cooling shroud.STC SA09470SCInstallation of Starter Indicator light system.STC SA09491SCInstallation of a low voltage warning system.STC SA00279LAInstallation of Ameri-King AK-950 Global Positioning System Navigation Switching/Annunciator Panel and Associated EquipmentSTC SA01080LAInstallation of Accessory Power Receptable in accordance with FAA Approved Master Drawing List, Document No. 172-APR-100, Rev IR, dtd 8/15/00 or later FAA approved revision.STC SA5433SWConversion from tri-cycle to conventional landing gear. Cessna model 172P eligible only in utility category.STC SA8892SW-DInstallation of 55 two-axis automatic flight guidance system, Model ST-563, with optional automatic electric trim system.STC SA672SWCessna 305(L-19) wings.STC SA2687NMInstallation of Truboplus/ Electronics Int'l gauges and switches.STC SA00066SEFabrication of interchangeable float spreader bars.STC SA01280CHInstallation of Challenger Spin-On Oil Filters.(For Cessna 182 model, s/n 67042 and up) (For Cessna 421C model, s/n 1017 thru 1404)STC SA00831SEInstallation of vortex generators on wings and tail surfaces.STC SA00270WIInstallation of fiberglass replacement wing tips.STC SA1665CEInstallation strut/wing and strut/fuselage fairings, lightning hole covers, and aerodynamic putty.STC SA71GLInstallation of air filtersSTC SA09425AC-DInstallation of S-TEC System 40X/50X Single and Two-Axis Automatic Flight Guidance Systems, Model ST-868-40X/50X.STC SA3338WERecognition light installation on horizontal stabilizer.STC SA00039LBInstallation of an Ashtech AV-12 Global Positioning System and a Aero GPS Antenna.STC SA00865NYInstallation of nose gear strut fairing.STC SA3486SW-DInstallation of Century Automatic Flight System Model AK993 consisting of a Century 2110/2130/2131/2150/2151 autopilot.STC SA00103BOInstallation of Weemax cabin air vent.STC SA1475GLInstallation of Aero Fabricators shoulder harness Kit No. H-603, Revision Level N/R, Issue Date May 5, 1999.STC SA340NWInstallation of Franklin 6A-350-C1 or 6A-350-C2 engine, McCauley2A31C21/84S-6 or Hartzell HC- C2YF-1BF/F8459 series propellers.STC SA00678SEInstallation of J. P. Instruments 8Jimline EGT-100 series primary instrumentsSTC SA00465NYInstallation of Meterological Measurement System, Model A1MMS-10, with optional installation of Telemetry Module, Model AIRDAT-9600.STC SA00671NYInstallation of AIRDAT Telemetry module.STC SA09352SCAdd exhaust pipe extension.STC SA8032SWInstallation of Zeftronics over-voltage sensor unit P/N V11100STC SA8427SWInstallation of an R25400 alternator control unitSTC SA01224ATInstallation of wheel hub cabs with valve stem access door.STC SA5925NMInstallation of oil pressure/temperature instrument.STC SA5924NMInstallation of RPM instrument.STC SA02072AKInstallation of hourmeter airspeed switch.STC SA00162SEInstallation of telemetry antennas.STC SA09213AC-DInstallation of S-TEC System 30 ALT Altitude Hold System, Model ST-673.STC SA09207AC-DInstallation of S-TEC System 20/30 single and two axis automatic flight guidance systems, Model ST-671-20/30.STC SA00433Installation of Airwolf remote mounted engine oil filter Model AFC-500 or AFC-600 on multi engine fixed wing light aircraft incorporating Franklin reciprocating engines of 450 horsepower or less. (with Franklin engines)STC SA00506WIInstallation of a pallet assembly that houses a special mission camera and computer in the baggage areaSTC SA00459WIEnergy absorbing seat.STC SA00393SEInstallation of the G/S 2500 and G/S2500R Aircraft Security Alarm System.STC SA825GLInstall safety belt extenders.STC SA09152SCInstallation of a wing mounted video camera, VCR and associated equipment.STC SA00061LAInstallation of JPI digital tachometer.STC SA00238SEInstallation of Aviation Development Corporation's sump mounted chip detectorSTC SA1761SOInstallation of Appalachian Access stainless steel brake discs.STC SA2383SOInstallation of Appalachian Accessories' P/N 75-94 Brake Rotors.STC SA1643GLInstallation of V-type or Y-type shoulder harness. (182 SERIES EXCEPT R182 & TR182)STC SA00087NYInstallation of Cu-Sonde Meteorological Measurement/system models CS-1A or CS-1B; and installation of Cu-Sonde Model CS-1B-RF with AIRDAT-9600.