N12WW
STCs that may be installed · 112
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 = '2074014'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17364')
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 = '2074014'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17364')
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 305C (0-1E)
STC SA00270WIInstallation of fiberglass replacement wing tips.STC SA00465NYInstallation of Meterological Measurement System, Model A1MMS-10, with optional installation of Telemetry Module, Model AIRDAT-9600.STC SA00671NYInstallation of AIRDAT Telemetry module.STC SA5925NMInstallation of oil pressure/temperature instrument.STC SA5924NMInstallation of RPM instrument.STC SA02072AKInstallation of hourmeter airspeed switch.STC SA00061LAInstallation of JPI digital tachometer.STC SA3000SOInstallation of Appalachian stainless steel brake discs, No. 75-15A.STC SA3203SOReplacement of Cleveland brake disks, P/N 164-26A and/or 164-126A, with Appalachian Accessories stainless steel brake disks P/N 75-27.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.STC SA00215NYInstallation of CAVU Model AM100 AVMIX engine fuel/air mixture setting system.STC SA909NEInstallation of an engine exhaust sound suppressor (ejector).STC SA00188ATInstallation of Appalachian Accessories carbon steel brake discs that have the melonite surface treatment, P/N AA-26A.STC SA00192ATInstallation of carbon steel brake discs that have melonite surface treatment.STC SA150NWInstallation of flap gap seals.STC SA5926NMInstallation of manifold pressure instrument.STC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)STC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.STC SA2300SOReplacement of Cleveland brake discs, P/N 164-26A or 164-126A, with Appalachian Accessories' stainless steel brake discs, P/N 75-27.STC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.STC SA2174SOReplacement of Cleveland brake discs, P/N 164-15A or 164-115A with Appalachian stainless steel brake discs, P/N 75-15A.STC SA2099CEOperation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON)/2. Intermixing with aviation gasoline also approved.STC SA995SWIncrease wing leading edge radius wing tip fairings, and landing light lens.STC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SA1371SWWing leading cuff, wing tips and upper surface flow fences.STC SA268CEInstallation of tow hitch assembly.STC SA2857SWLeading edge cuffs, stall fences, aileron seals, wing tips.STC SA1474SWInstallation of 'MASA' 1223000-7 and -8 wing tip.STC SA798EAInstallation of Monitair exhaust gas combustion monitor kit.STC SA34CETow hitch assembly.STC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.
Engine · Continental 0-470-11
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE208SOInstallation of ice indicator in the carburetor.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE10348SCThis STC application is to allow replacement of the existing oil filter screen assemblySTC SE26WEPiston ring 250000, 250000+2W and250000+10W on Continental E Series piston 534895, O-470 piston 534895, 626992 and 537883 and IO-470 piston534895.STC SE34WEInstallation of Electro-Coatings, Inc., piston rings on Continental pistons.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE1780NMInstallation of Precise Flight standby vacuum system (SVS III).STC SE01943CHAdd the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227.STC SE693GLSuperseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index.STC SE5743NMIntallation of adapter for externally mounted oil filter.STC SE264SWMarvel-Schebler MA-4-5 carburetor.STC SE09513SCInstallation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013.STC SE09319SCModify oil pan adding a new oil sump drain.