N4091Z
STCs that may be installed · 481
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 = '7101802'
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 = '7101802'
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 · Piper PA-18
STC SA22RMManufacture of exact replacement parts, front and rear lift strut assembly.STC SA4RMInstallation of modified landing gear, Cleveland P/N 40-84 wheels and P/N 30-41 brakes.STC SA293ALInstallation of Stoddard improved brake system.STC SA99ALInstallation of six-inch wheels and brakes.STC SA1646CEReplacement of bushing type pulley pulley in aileron control system.STC SA1162NWInstallation of an extended rear baggage compartment, a fishing pole compartment, and a belly-mounted Grimes Model 437 lightSTC SA703ALInstallation of skis.STC SA4-1210Installation of Eonnex cover on aircraft surfaces.STC SA682ALInstallation of 160 hp Lycoming O-320.STC SA1586CEModified brake master cylinder.STC SA427ALInstallation of fiberglass wing tips.STC 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.)STC SA641ALFabricate front wing spar butt attachment repair fitting.STC SA638ALFabricate rudder mounted strobe light support bracket.STC SA624ALInstall fiberglass wing tip assembly.STC SA490ALInstallation of leading edge cuff.STC SA1033EAReplace steel oil cooler lines with Aeroquip type 303-8 hose using AN-823-8D elbows, AN-816-8D nipples and AN-321-8 hose fittings.STC SA540ALInstallation of modified landing gear with main gear legs lengthened 6 inches.STC 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)STC SA630WEInstallation of oil filter assemblies. (NAVION A AND B with optional engine)STC SA526ALBuild up 1-1/4-inch axle to 1-1/2-inch axle to install Celveland wheel and brake.STC SA105NWMounting and wiring for occasional installation and use of Barnes Engineering Company airborne fire spotter system.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 SA489ALInstallation of modified dog leg brace baggage compartment.STC SA2468WEUse of GCA-600 axle adapter assembly for installation of Cleveland Model 40-84A wheels and Model 30-41 brakes.STC SA4ALInstallation of auxiliary wing fuel tanks.STC SA324CEManufacture hitch and bracket. Install tow hitch.STC SA425ALInstallation of removable seat back support.STC SA400ALConversion of 4-inch wheels and brakes to 6-inch wheels and brakes.STC SA150ALInstallation of cockpit operated cowl flap winterization kit.STC SA1350WEReplace existing fabric on wings, fuselage, empennage and/or control surfaces with fiberglass cloth.STC SA5-7Install framing and seat in baggage compartment.STC SA569SWInstallation of Cessna 172 spring steel landing gear.STC SA41ALSix inch wheels and brakes.STC SA4-254Hartzell HC82XG-6/7636D-4 propeller Lycoming 70385 dual drive assembly, Woodward 210115 single acting governor and J-6230-1 lord mount assembly.STC SA1177WEWECO carburetor temperature monitor.STC SA141ALRemoval of agricultural hatch.STC SA143ALEnlarged instrument panel.STC SA215ALInstall L-2500A wheel replacement skis.STC SA262ALInstall 6x6x44 fish pole tube.STC SA3-202Fabrication and installation of wing splate.STC SA3-654Laminated plastic and fiberglass nose.STC SA301ALInstallation of AD 2500x10.5 wheel replacement skis and rigging.STC SA4-1644Full flow lube oil filter30409A with element 1A0235.STC SA4-364Application of glass cloth with resin.STC SA4-840Fabric replaced with glass cloth on wings, fuselage, empennage and/or control surfaces.STC SA4-986Ceconite 101 covering of complete airplane.STC SA5-31Auxiliary baggage tube.STC SA5-39Large horizontal stabilizers and elevators.STC SA5-925x11x4 tires and tubes with Airglass Engineering Company adapters LWA 950.