N55521
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 ST01494LAInstallation of the FiberLite Aircraft Lighting System in accordance with Master Document List listed on Aircraft Model List (AML) Number ST01494LA, or later FAA approved revisions. No flight manual is required.STC SA3-333Installation of Doyn fiberglass wheel fairings.STC SA3-690Installation of Doyn Kit No. 1400 Swept-Tail Assembly per Doyn Drawing No. 1400, Revision B, dated August 18, 1961.STC SA00243BOInstallation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200).STC SA293NWInstallation of Franklin 6A-350-C1 or 6A-350-C2 engines, Hartzell HC-C2YF-1BF/F8459A -4 to -8, HC-C2YF-1BF/F8459A-4Q to -8Q, or McCauley 2A31C21/84S-4 to -8 propellers in accordance with Seaplane Flying, Inc. Assembly and Installation Instructions SF 20690, SF20821, or SF 20820, on Cessna Models 170A, 170B, 172, 172A, 172B through P, 175, 175A, 175B and 175C as defined in AML.
2.) Installation of Franklin 6A-350-C1R engines, Hartzell HC-C2YF-1BF/F8459A-4 to -8, HC-C2YF-1BF/F8459-4Q to -8, McCauley 2A31C21/84S-4 to -8 or 2A34C201/90DA-10 to -14 propellers in accordance with Seaplane Flying Inc. Assembly and Installation Instructions SF 20690 on Cessna Models 170A, 170B (Serial Numbers 20267 to 26504) as defined in AML.STC SA3814NMInstallation of BAS, Inc. tail pull handle in the aft fuselage.STC SA00068SEInstallation of fuel flow/pressure instruments. (W/TSIO-360-MB1)STC SA5820NMInstallation of an engine electronic digital tachometer, Model P-1000.STC SA00290BOInstallation of Avidyne Corporation Part Number 700-00167-XXX Multi-Function Display and Mounting Tray Assembly Part Number 700-00168-XXXSTC SA00760SEInstallation of glare shield.STC SA01298SEInstallation of interior trim parts.STC SA01660SEInstallation of interior fiberglass panels.STC SA01085LAInstallation of the VNS 1000 Voice Navigation System.STC SA02110CHInstallation of a Time Trac Data RecorderSTC SA02293AKInstallation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV).STC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.STC SA02359AK-DFabrication and installation of F. Atlee dodge Aircraft Services, Cessna Tie-Down clampSTC SA02725CHInstallation of North American Surveillance Systems Strut Mount and Optional Cloud Cap Technologies TASE / TASE Dou GimbalsSTC SA4172NMInstallation of Aviation Development oil filter.STC SA01988SEInstallation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.STC SA01834CHInstallation of the High Intensity Discharge Light Assembly Kit.STC SA420CHInstall the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition systemSTC SA563CHAuthorizes installation of engines equipped w/Unison Limited Authority Spark Advance Regulator (LASAR) ignition system w/Cylinder Head Temp. (CHT) monitoring capability on airframes. engines.STC ST01327LAInstallation of Glareshield per FAA Approved Ashby Glareshield Master Drawing List.STC SA02321AKInstallation of EDO 89-2000 floats modifiedSTC SA2381NMInstallation of Knots 2U, Ltd Wheel and Body FairingsSTC SA02033ATModification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.STC SA02411CHInstallation of the Aero Vent Cabin Ventilation System.STC SA01032WIInstallation of external aerodynamic Vortelator Kit on airplanesSTC SA01473SEInstallation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote TranspondeSTC SA02231AKInstallation of Cleveland Main Wheels and Brakes.STC SA933NWInstallation of a BAS, Inc., or a Blancher Model 101 stowable seatSTC SA4005NMPrecise Flight Inc. Pulselite Control SystemSTC SA01205WI-DInstallation of the KMD 250 Multi-Function Display System with Optional Internal VFR GPS and Optional Traffic and Weather Sensors.STC SA10005SCInstallation of airflow register into baggage compartment cover and insert a screened vent into empennage inspection plate.STC SA01388SEInstallation of 7-gallon or 15-gallon extended range wing fuel tanks; manufactured and installedSTC SA01105WI-DInstallation of Bendix/King KMD 550/850 Multi-Functional Display System with optional traffic, terrain and weather sensors. This STC applies to both single-engine and small multi-engine aircraft (see 1 of 2 for small twin-engine).STC SA02446CHInstallation of the Courtesy Light Kit.STC SA21GLInstallation of Grimes multi-plexed anti-collision light system.STC SA5621SWInstallation of electrically driven vacuum pump.STC SA01695SEInstallation of an antennaSTC SA00402SEInstallation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed)STC SA01170NYInstallation of NPX138N-XXX FM Transceiver.STC SA8150SWInstallation of VENTUBE pilot/co-pilot overhead fresh air valves. (195 SERIES LC-126A; LC-126B; LC-126C)STC SA1614WEInstallation of one 12-gallon auxiliary fuel tank in each outboard wing panel.STC SA02277AKInstallation of FMK Light Emitting Diode (LED) Instrument Panel Lights.STC SA3-11Propeller installations - Two- position controllable, hub 2B-36C7, blades 78K-2 or 78K-4.STC SA02138ATInstallation of Lord Corporation nose wheel shimmy damper part number SE-1051-2/3.STC SA992CEInstallation of 10-inch diameter camera hole.STC SA01860NYInstallation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.