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 SA2-952Installation of fiberglass covering.STC SA02058AKFabrication of Replacement Stabilizer Assembly (P/N 3219).STC SA02060AKFabrication of Replacement Elevator Assembly (P/N 3220).STC SA02056AKFabrication of Replacement Rudder Assembly (P/N 3216).STC SA02043AKFabrication and installation of pilot's seat belt attachment brackets.STC SA2508SOReplacement of Cleveland brake discs, No. 164-67 or 164-167, with Appalachian Accessories' stainless steel brake discs, Part No. 73-67.STC SA02040AKInstallation of vented fuel cap assembly (P/N 3267)STC SA2040AKInstallation of vented fuel cap assembly (P/N 3267).STC SA00215NYInstallation of CAVU Model AM100 AVMIX engine fuel/air mixture setting system.STC SA00207ATInstallation of carbon steel brake discs that have melonite surface treatment, P/N AA-67.STC SA683SWConvert from monoplane to biplane configuration by adding all metal lower wings.STC SA02026AKFabrication and installation of wing front spart lift strut fitting reinforcing bracketsSTC SA5656NMInstallation of burglar alarm system.STC SA1-510Installation of Sur-Vent fuel tank filler cap manufactured.STC SA02011AKFabrication and installation of top deck assembly x-brace.STC SA5948NMInstallation of vortex generators on wing leading edge.STC SA5926NMInstallation of manifold pressure instrument.STC SA00261ATInstallation of basic type BYE-14, Model No. 1008 air driven alternator. (PA-18 Series except PA-18-150 and PA-18A-150)STC SA1626NM PAGE 2Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)STC SA5159NMInstallation of chip detector system.STC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.STC SA1961CEOperation 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 SA126SOInstallation of wing fabric attachment clips.STC SA4635NMModification of wing lift struts.STC SA753CEInstallation of skis Model Nos. M1500, M1800, M2000, M3000H.STC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesSTC SA2607CEOperation of airplane on leaded or unleaded automotive gasoline, 91 minimum antiknock index(RON+MON)/2 per ASTM Specification D-439. Inter-mixing with aviation gasoline also approved.STC SA317NEInstallation of Auto-Vac-2 manifold vacuum system.STC SA4618NMFabrication and installation of P/N 3166-1 main landing gear cabane vee assembly.STC SA4051NMInstallation of replacement aft fuselage tail section with Univair repair section U-12183-TS.STC SA4606NMInstallation of main landing gear safety cable kit.STC SA1337GLInstall Aero Ski Manufacturing Co., Inc., Model R2800 Retractable Skis.STC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.STC SA1-349Installation of Glider tow hook.STC SA3626NMApplication of polyurethane finishing system.STC SA2303NMInstallation of header tanksSTC SA2338NMInstallation of SWS-11000 Tundra tires, wheels, and hubs.STC SA2733NMInstallation of wing assembly.STC SA1455NMInstallation of a flame proof auxiliary heater-dryer, Model12-1600.STC SA4-302Installation of BN-1 propeller spinner.STC SA1418SOReplacement of rotor vanes in Airborne 211CC and 212CW vacuum pumps. (See limitations)STC SA2307NMInstallation of hydraulic ski- brake assembly.STC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)STC SA1904NMInstallation of Schneider wheel skis, 6-inch to 10-inch aluminum wheel adapters and 29x11.0-10 8 ply minimum tires on main landing gear.STC SA1678NMInstallation of replacement wing ribs.STC SA1522NMInstallation of stamped aluminum wing ribs.STC SA715ALInstallation of Schneider Model SWS-4000 main wheel skis and Schneider Model SWS-1000 tail wheel skis.STC SA2127WEInstallation of Madras Air Service Model 104 wing tips.STC SA334SWInstallation of InterAv Alternator.