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 SA213ALFabrication of attaching and rigging parts for the installation of Airglas Engineering Co, Inc, model LW3600-180 single position or Model LW3600-180A two position fixed penetration wheel skis.STC SA8036NMInstallation of a wing tip fuel tank 28/30 US gallon; increase wing span approximately four feet and area to 185 ft and increase gross weight to 3,600 lbs for landplanesSTC SA3383WEInstallation of recognition lights on horizontal stabilizer.STC SA5270SW-DInstallation of S-TEC System 40/50 single and two axis automatic flight guidance systems, Model ST-197-40/50.STC SA09270AC-DInstallation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-722-20/30.STC SA5229SW-DInstallation of S-TEC System 40/50 Single and Two Axis Automatic Flight Guidance Systems Model ST-196-40/50.STC SA09268AC-DInstallation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, Model ST-720-20/30.STC SA00678SEInstallation of J. P. Instruments 8Jimline EGT-100 series primary instrumentsSTC SA00501ATInstallation of either a Hartzell 3-blade model PHC-C3YF-1RF/F8468A( )-6R or PHC-C3YF-1RF/F7691( ) propeller, or McCauley 3-blade model D3A34C401/90DFA-10 or D3A34C401/90DFA-8 propeller, and associated spinner assembly.STC SA2933SOInstallation of a Teledyne Continental Motors model IO-550-D engine and Hartzell model PHC-C3YF-1RF/F7691(), PHC-C3YF-1RF/F8468A()-6R, or HC-C3YF-1RF9587C-15S, or McCauley model D3A34C401/90DFA-10 or -8, or B2A37C228/90RDA propeller. (A185E AG) (A185F A G)STC SA01827ATManufacture of Composite Engine Cowlings.STC SA00640SEInstallation of a McCauley D3A34C401 propeller hub with 90FDA-4 or -6 blades on the above model aircraft.STC SA00214DEInstallation of Turbo normalizer system.STC SA17NEInstallation of EDO Model 696-3500 amphibious seaplane floats with Model 696-1200 attachment gear.STC SA558NWInstallation of Edo Model 696-3500 amphibious seaplane floats with Model 696-1200 attachment gear.STC SA832EAInstallation of Edo Model 582-3430 seaplane floats.STC SA09352SCAdd exhaust pipe extension.STC SA8008SWInstallation of Zeftronics alternator control units P/N's R25101 (27.7V systems) or R25102 (28.8V systems).STC SA8032SWInstallation of Zeftronics over-voltage sensor unit P/N V11100STC SA8427SWInstallation of an R25400 alternator control unitSTC SA8432SWInstallation of V25101 overvoltage sensor.STC SA01224ATInstallation of wheel hub cabs with valve stem access door.STC SA4139WEInstallation of Hoskins Model CFS-1000, -1001, or FT-100 or FT-101 fuel flow indicating system.STC SA09322AC-DInstallation of S-TEC system 30 alt altitude hold system Model ST-721STC SA5925NMInstallation of oil pressure/temperature instrument.STC SA5924NMInstallation of RPM instrument.STC SA02072AKInstallation of hourmeter airspeed switch.STC SA00697NYInstallation of left-hand and right-hand EDO model 582-3430 floats.STC SA09277AC-DInstallation of S-TEC System 30 ALT Altitude Hold System, Model ST-723.STC SA00712CHInstallation of Insight Avionics Strike Finder model SF 2000.STC SA8520SW-DInstallation of Century Flight Systems Automatic Flight System Model AK1043 consisting of Century I Autopilot with Optional Omni Tracker. (A185F 28V)STC SA00162SEInstallation of telemetry antennas.STC SA00393SEInstallation of the G/S 2500 and G/S2500R Aircraft Security Alarm System.STC SA155NWAddition of baggage hatch to EDO 249-2870, 628-2960 and628A2960 floats.STC SA1443NMInstallation of a Hartzell HC-C3YF-1RF/F9587C-15R or HC-C3YF-1RF/ F9587C-17S propeller, Hartzell C-3535-1() spinner, governor, and associated system on a Continental IO-520-D engine. (A185F LANDPLANE AND FLOATPLANE)STC SA2922NMModify Cessna fuel bladder cell quick drain P/N 84C.STC SA1662CEInstallation strut/wing and strut/fuselage fairings, lightning hole covers and aerodynamic putty.STC SA00061LAInstallation of JPI digital tachometer.STC SA00238SEInstallation of Aviation Development Corporation's sump mounted chip detectorSTC SA2995WEInstallation of an emergency fuel system.STC SA2376SOInstallation of Appalachian Accessories P/N 75-95 stainless steel brake discs.STC SA3205SOInstallation of Appalachian stainless steel brake discs.STC SA1569GLInstallation of Wipaire Model 4000 amphibian or seaplane floats.STC SA1643GLInstallation of V-type or Y-type shoulder harness. (182 SERIES EXCEPT R182 & TR182)STC SA397CHInstallation of Hartzell (P)HC-C3YF-1RF/F8468A-6 or -8R propeller with Hartzell C3575-( ) spinner on Cessna A185E and A185F models with IO-520-D engine; on the 206 series models, installation of Hartzell Model(P)HC-J3YF-1RF/F8468A-6R or -8R propeller with Hartzell C4582-( ) spinner or Model (P)HC-C3YF-1RF/ F8468A-6R or -8R propeller with Jartzell A2295-1(P) spinner.STC SA00215NYInstallation of CAVU Model AM100 AVMIX engine fuel/air mixture setting system.STC SA995NEInstallation of a Northstar GPS-600 Navigator global positioning system.STC SA1522GLInstallation of Teledyne Continental Motors IO-550-D engine, McCauley D3A34C401/90DFA-10 propeller, and associated changes.STC SA356CHInstallation of seaplane safety covers.STC SA1266NWInstallation of a camera door, P/N CA1010