N18521
STCs that may be installed · 575
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 = '2072821'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17032')
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 = '2072821'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17032')
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 A185F
STC SA1449SOInstallation of replacement fuel cell assemblies. (SEE LIMITATIONS)STC SA1635SOInstallation of replacement fuel cell assemblies. (SEE LIMITATIONS)STC SA8502SW-DInstallation of a Century Automatic Flight System, Model AK1019 consisting of a Century autopilot. (A185F WHEN MODIFIED PER STC NO. SA1441WE)STC SA00227ATInstallation of carbon steel brake discs that have melonite surface treatment, P/N AA-94.STC SA00228ATInstallation of carbon steel brake discs that have melonite surface treatment, P/N AA-95.STC SA00462ATReplacement of Appalachian stainless steel brake discs P/N 75-23 with Appalachian steel brake disk part number AA-47.STC SA00214ATInstallation of carbon steel brake discs that have melonite surface treatment, P/N AA-89.STC SA1749WEInstallation of Canadian Aircraft Products Series 3000D floats.STC SA00220NYInstallation of Northstar Tech. Inc, model M3 GPS Navigator.STC SA8922SWInstallation of replacement Ultimate Engine Oil Filter for Textron Lycoming and Teledyne Continental engines. (411 S/N 000 THRU 0126, S/N 0127 AND UP) (T188C S/N 03474 AND UP) (206 S/N 05030 AND UP) (207 S/N 05227 AND UP) (T207 S/N 05227 AND UP) (P21 0 SERIES S/N 278 AND UP) (180 S/N 53087 AND UP) (210 S/N 63373 - 63375 AND UP) (B19 SPORT)STC SA5656NMInstallation of burglar alarm system.STC SA182CHInstallation of removable 'Telonics' telemetry antennas.STC SA150NWInstallation of flap gap seals.STC SA8031SWInstallation of Zeftronics alternator controller unit P/N R15100 or R15V00.STC SA02008AKFabrication and installation of left-hand or right-hand removable folding jump seat, or both.STC SA00064DEInstallation of external cargo pod.STC SA5926NMInstallation of manifold pressure instrument.STC SA4320NMInstallation of an oil filter, filter base and mounting plate on the firewalls of those airplanes listed on AML No. SA4320NM that are equipped with an FAA approved Continental Model IO-520 engine installation which has been modified by the installation of an external mounted full flow oil adapter and spin-on oil filterSTC SA00005SEInstallation of doubler on both left and right door posts.STC SA1007NEInstallation of Northstar M2 navigator and Northstar Model 8100A airborne global position system sensor.STC SA256NWInstallation of aileron gap seals.STC SA1626NM PAGE 1Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)STC SA4120SWAdd sheet metal flap seals and/or flexible fabric aileron gap seals.STC SA00031WIInstallation of flap and aileron gap seals.STC SA1027NEInstallation of Northstar M2 navigator and Model 8100A airborne global positioning system sensor.STC SA2118NMInstallation of a Lycoming TIO-540- J2BD or 72B engine, AiResearch Model THO8A60 turbocharger, Hartzell HC-C3YR-1RF/F7854 (three blade) propeller, Hartzell Model F4-13 governor and associated systems. (185, 185A, 185B, 185C, 185D, 185E, A185E, A185F LAND PLANE; FLOATPLANE; AMPHIBIAN)STC SA3293SOModify existing pilot and co-pilot door windows with stationary glass to accept a sliding window pane and add a wind deflector .STC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.STC SA5727NMFabrication of Aerocet interchangeable float attachment gear parts.STC SA300CEInstallation of Woodward propeller governors on single and twin engine aircraft. (PA-31-325 modified per Colemill STC SA 970SO)STC SA1754CEInstallation of modified 300 hp. turbo-supercharged TSIO-520-G-CS82 Continental engine and D3A32C90/82NC-2 McCauley propellerSTC SA5451NMInstallation of Cee Bailey PMA approved windshield. (185 SERIES S/N 185-0001 AND UP)STC SA4094NMInstallation of Oilamatic engine preoiler.STC SA1618GLInstallation of on-board engine analyzer system.STC SA7GLInstallation of Wipline Model 3730 amphibious floats, Model 3700, 3800 or 3900 seaplane floats. (A185F SEAPLANE CONFIGURATION ONLY)STC SA398NEInstallation of Auto-Vac-2 manifold vacuum system per certain engine STC's.STC SA4949NMRelocation of battery or installation of dual battery system.STC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesSTC SA4721NMInstallation of SynCon alarm system.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.STC SA4622NMInstallation of main gear gravel deflector kit no. GD5-105.STC SA4000NMInstallation of an AVCO Lycoming TIO-540-V2AD engineSTC SA2588SOModification of the water rudder retraction system on Edo Model582-3430 floats.STC SA4327NMInstallation of an AVCO Lycoming Model TIO-540-V2AD engine and Hartzell HC-C3YR-1RF/F7854 propeller.STC SA501NWInstallation of McCauley D3A32C90/82NC-2 on an airplane equipped with a Continental IO-520-D engine.STC SA7182SW-DInstallation of S-TEC System 65 two axis automatic flight guidance system, Model ST-444.STC SA1221GLInstallation of fuel quick drain at lower end of accumulator tank at fuselage station 8.12.STC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.STC SA2272CEInstallation of fuel reservoir(accumulator) quick drain. (A185F THRU S/N 18503153)STC SA2171SOReplacement of Cleveland brake discs, P/N 164-15A, or 164-115A, with Appalachian stainless steel brake discs, P/N 75-15A.