N170KB
STCs that may be installed · 442
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 = '2072306'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17022')
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 = '2072306'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17022')
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 170B
STC SA3862NM PAGE 1Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.STC SA2296SOReplacement of Cleveland brake discs P/N 164-26A or 164-126A, with Appalachian Accessories' stainless steel brake discs, P/N 75-27.STC SA3735NMInstallation of inflatable door seal.STC SA2083SOInstallation of a Sensenich Model76 EM8 propeller and Gulfstream spinner assembly.STC SA238SWInstallation of cargo door.STC SA3546NMInstallation of relocated battery box.STC SA3547NMInstallation of baggage door.STC SA3548NMInstallation of one-piece windshield.STC SA2345NMInstallation of SWS-11000 Tundra tires, wheels, and hubs.STC SA2960NMInstall 'stay put' (seat position locking device).STC SA2333NMInstallation of hydraulic ski-brake assembly.STC SA1455NMInstallation of a flame proof auxiliary heater-dryer, Model12-1600.STC SA2912NMInstallation of a Continental IO-360-C engine, McCauley 1B235/DFC7846 propeller, Maule fuel reservoir tank and fuel shut-off valve, Continental C-145 heat exhchanger, Cessna R172K engine mount, Cessna 337 exhaust system, electric fuel pump, and relocated the fuel tank vents and batterySTC SA2538NMInstallation of 60 amp alternator and associated installations.STC SA1417SWInstallation of Mitchell Automatic Flight System Model AK358 consisting of Century I
Autopilot with optional Omni TrackerSTC SA995SWIncrease wing leading edge radius wing tip fairings, and landing light lens.STC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.STC SA2362NMInstallation of a Lycoming 0-360-A1F6D engine, McCauley BeD34C207/78TCA-0 propeller, flap gap seals and aileron gap seals and associated systems.STC SA2092NMInstallation of a Continental O-300-D engine and McCauley 1A175/SFC 8043 propeller and spinner assemblySTC SA1371SWWing leading cuff, wing tips and upper surface flow fences.STC SA1909NMInstallation 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 SA1916NMInstallation of Schneider Model SWS-4000C-15 main wheel skis.STC SA1467NMInstallation of a new instrument panel and associated wiringSTC SA268CEInstallation of tow hitch assembly.STC SA749CEInstallation of Hartzell propeller model HC-C2YK-1BF/F7666A or HC-C2YK-1A/7666A.STC SA152NWInstallation of deck and glare shield (with or without instrument lights).STC SA115NWModification of R.H. Door and the addition of a jump seat.STC SA1042NWInstallation of a Continental engine and a McCauley propellerSTC SA826NWInstallation of Cessna flap gap seal fairingsSTC SA4-1210Installation of Eonnex cover on aircraft surfaces.STC SA990NWInstallation of a Lycoming O-360-A2A engine, AVCON carburetor air box (P/N 17009-30, Bendix electric Auxiliary fuel pump (P/N 476087), Harrison oil cooler (P/N 852-6250), McCauley 1A200/FA8041 propeller, and associated systemsSTC SA2851SWLeading edge cuffs, stall fences, aileron seals, wing tips.STC SA1455WEInstallation of Brittain Industries Model CSA-1 Flight Control SystemSTC SA1474SWInstallation of 'MASA' 1223000-7 and -8 wing tip.STC SA325GLInstallation of fuel tank caps.STC SA790NWInstallation of a Continental engine with a McCauley propellerSTC SA514NWInstallation of Hartzell propeller on a Franklin engine and Edo floatsSTC SA307NWInstallation of a 1968 Cessna Model 172 airframe (forward of Station 27) and engine cowling;l Cessna Model 172 AVCON conversion power-pac consisting of a Lycoming O-360-A1A engine, Cessna 172 engine mount (P/N 0551017-1), Hartzell HC-C2YK-1F/7666A-2 propeller, carburetor air box and nose cowling; and a Cessna Model 172 baggage door assemblySTC SA1073CEInstallation of wing leading edge cuffs, Cessna drooped wing tips, stall fences, and aileron gap seals.STC SA2-224Windshield manufactured in accordance with Luminous Plastics, Inc. Drawing LP-306.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 SA676NWInstallation of a Lycoming engine with a Sensenich propellerSTC SA680NWInstallation of a Lycoming engine, Machen engine mount, Hartzell propeller, Beech exhaust sytem, modified cowl with cowl flapsSTC SA499NWInstallation of Robertson leading edge cuff, Robertson fence, and Cessna wing flap fillersSTC SA175EAInstallation of wing struts modified to include Wings With Springs Model200 hydraulic-pneumatic shock absorbers and associated airframe modifications.STC SA496NWInstallation of a Lycoming engine, McCauley propellerSTC SA3318WEInstallation of flap gap closures. (170B LANDPLANE ONLY, NORMAL & UTILITY CATEGORY)STC SA342NWInstallation of Hartzell HC-C2YF-1FB/F8459-6 propeller on a Franklin 6A-350-C2 engine and Edo 248-2440 floatsSTC SA301NWInstallation of a larger electrical generating system, with additional circuit breakers, per AVCON Industries, Inc. Drawing 17005A; and installation of a one piece windshieldSTC SA280NWInstallation of an instrumentation boom