N21879
STCs that may be installed · 177
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 = '7100506'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41505')
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 = '7100506'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41505')
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 · Piper J3C-50
STC SA1516NMInstallation of stamped aluminum wing ribs.STC SA560GLInstallation of Aero Fabricators 8-gallon or 12-gallon wing auxiliary fuel tanks.STC SA293ALInstallation of Stoddard improved brake system.STC SA507ALInstallation of alternate crankcase breather.STC SA4-1210Installation of Eonnex cover on aircraft surfaces.STC SA3284WEInstallation of Geroge M. Adams DGA-2000 or Bodell BMI-2000 wheels and Bodell BMI-252 brakes.STC SA2NEInstallation of Cleveland wheels and brakes, 7.00-6 or 6.00-6, C38500-HA, 40-6, in accordance with S.V. Scherbon modifications, 3/6/73, on several models of Piper aircraft.STC SA835CEInstallation of wing tip splates.STC SA322CEManufacture hitch and bracket. Install tow hitch.STC SA111ALConversion of 4-inch wheels and brakes to 6-inch wheels and brakes.STC SA302ALInstallation of AD 2500x10.5 wheel replacement skis and rigging.STC SA1350WEReplace existing fabric on wings, fuselage, empennage and/or control surfaces with fiberglass cloth.STC SA1251WEBelt-driven 35A or 55A alternator on Continental A-65-8 engines.STC SA144ALRemote compass bracket.STC SA187ALInstall Continental C-90 and PA-18-95 cowl and baffles.STC SA254CEModel A fiberglass floats.STC SA262ALInstall 6x6x44 fish pole tube.STC SA3-202Fabrication and installation of wing splate.STC SA3-35Beech controllable propeller R003-100 hub with R003-232-72T blades in airplanes with Conti- nental C85 engines.STC SA3-514Modification to exhaust and carburetor air preheater muff systems and installation of exhaust stack shields on cowling.STC SA333CEOmni view window.STC SA338CEContinental C-90-12-F engine.STC SA357CEModel B fiberglass floats.STC SA4-469Application of glass cloth with resin.STC SA4-840Fabric replaced with glass cloth on wings, fuselage, empennage and/or control surfaces.STC SA4-907Ceconite 101 covering of wings, fuselage, ailerons, elevator, rudder, and horizontal and vertical stabilizer.STC SA5-39Large horizontal stabilizers and elevators.STC SA5-925x11x4 tires and tubes with Airglass Engineering Company adapters LWA 950.STC SA95ALMaule SFS-1-4-P8 tail wheel; Hayes D-15-26 brake assembly using Kennedy Air Service adapter 64-1; Hayes wheel assembly D3-105MD; and800x6, 850x6 or 900x6 4-ply tires and tubes.STC SA1-423Sensenich M74CK-2 fixed pitch metal propeller.STC SA1-497Franklin 4AC-176-F3 engine.STC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.
Engine · Lycoming 0-235 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.STC SE208SOInstallation of ice indicator in the carburetor.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.STC SE2393CEInstallation of B&C Speciality Products lightweight (10.2 pounds) engine starter, part number BC-315-100-1 (12 volts)
or part number BC-315-100-3 (24 volts)STC SE03232CHInstallation of Engine Preheat Kit p/n TA2925-1 for 115 volt applicationSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.STC SE792NWModification of a Lycoming0-235-L2C, or 0-235-L2A engine to increase HP rating from 115-HP at 2700 rpm to a continuous125 HP at 2800 rpm.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.STC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.STC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.STC SE2901NMLycoming valve cover gasket