N91421
STCs that may be installed · 236
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 = '6150130'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17027')
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 = '6150130'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17027')
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 · North American NAVION
STC SA4-146Globe gyro-stabilizer.STC SA4-1483Fiberglass vertical fin tip and Grimes rotating beacon F-7080-1-12 or G-8400A-8-12.STC SA4-35Wing root-fuselage fiberglass contoured fairings at leading edge of wing, and aluminum fairings contoured to existing fillet at inboard end of wing flaps extending aft to station 226.STC SA4-685Aerofilter 30409A with element 1A0235.STC SA4-925Magnetic flight director 2000.STC SA570WEExhaust system.STC SA769WELear Romec fuel pump R6-15980 on Continental E-185-3 engine.STC SA2-195ModificationSTC SA1-396Navion retract links 143-33165 and 143-33165-10 modified.STC SA4-241Change in incidence angle of horizontal stabilizer for Symons Engineering kit.STC SA001410BOInstallation of an AV-30-C Multi-Mode IndicatorSTC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorSTC SA02019SE-D PAGE 2Installation of Garmin GTN 6XX/7XX Navigation SystemSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemSTC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.STC SA1468NMInstallation of a continental O-470-P engine, modified engine mount
Engine · Continental I0-470 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE25WEInstallation of two (2) Roto-Master Turbochargers Model 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model 315F10, P/N RJ0080-102)STC SE96SOInstallation of two (2) Roto-Master Turbochargers Model 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model 315F10, P/N RJ0080-102)STC SE04577CHInstall an electronic engine ignition systemSTC SE04599CHTo allow the use of UL-94 (minimum) grade aviation fuel meeting ASTM D7547.STC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE09356SCInstall F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter adapter for a spin-on oil filterSTC SE00561NYReplacement of Fuel Injection System with Carburetted SystemSTC SE09217SCInstallation of modified fuel injector nozzles.STC SE00114SEReplaces Teledyne-Continental Part Number 646277 lifter bodiesSTC SE09637SCRemove existing rocker arm assemblies and install modify rocker arm assemblies.STC SE02261CHIncrease engine displacement from 470 cubic inches to 520 cubic inches in the Teledyne Continental Motors IO-470-D, -E, -F, -H, -L, -M, -N, -R, -S, -U, -V, -VO engines models with a flat rating of 260 HP.STC SE92WEInstallation of oil fitting (AN-823-5D) in rocker box cover.STC SE95WEInstallation of oil fitting (AN-823-5D) in rocker box cover.STC SE325SWFull flow oil filter.STC SE2-984Modification of Continental Piston Part No. 627738 (IO-470)STC SE26WEPiston ring 250000, 250000+2W and250000+10W on Continental E Series piston 534895, O-470 piston 534895, 626992 and 537883 and IO-470 piston534895.STC SE34WEInstallation of Electro-Coatings, Inc., piston rings on Continental pistons.STC SE5820SWInstallation of Airmotive exhaust valve, P/N AEC-637781.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE910SWThe manufacturer of pistons, valve guides, and partsSTC SE94SWModification of Continental IO-470 Pistons P/N 627738, P/N 539814, and P/N 631481 compression ring grooves from present keystone configuration to rectangular configurationSTC SE3330NMContinental valve cover gasketSTC SE992SOInstallation of fuel line filters into the individual fuel injector lines in accordance with Beryl D Shannon Aviation Specialties, Inc. Installation Instructions BI 2500, approved May 24, 1976, or later FAA approved revisions.STC SE994SOInstallation of fuel line filters into the individual fuel injector lines in accordance with Beryl D Shannon Aviation Specialties, Inc. Installations Instructions BI 2500, approved May 24, 1976, or later FAA approved revision.STC SE03701ATIncrease the main jet size of TCM MA4-5 carburetors of TCM O-470-U engines, to increase engine power from 230 BHP at 2400 RPM to 252 BHP at 2625 RPM.STC SE267CHInstallation of Slick Model 6309 and 6313 magnetosSTC SE09846SCInstallation of S539800M30 starter adapter springs.STC SE551GLIncorporation of a fuel flow transducer.