N20DZ
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 = '8680695'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41530')
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 = '8680695'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41530')
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 · Socata TB-20 TRINIDAD
STC SA7216SW-DInstallation of S-TEC System 60 single axis automatic flight guidance system, model ST-459.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.STC SA7138SW-DInstallation of S-TEC System 60 pitch stabilization system, Model ST-351, with optional automatic electric trim system.STC SA7153SW-DInstallation of S-TEC manual electric trim system, Model ST-353.STC SA3434SW-DInstallation of Century Automatic flight system Model AK938 consisting of a Century 31 AutopilotSTC SA3435SW-DInstallation of Century Automatic Flight System Model AK939 consisting of a Century 21 AutopilotSTC SA3436SW-DInstallation of Century Automatic Flight System Model AK941 consisting of Century 41 autopilot or Model AD941FD consisting of a Century 41 Flight Director AutopilotSTC 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 SA01435DEInstallation of engines, modified with a Firewall Forward Technologies.STC SA00281BO PAGE 3Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000STC SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.STC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System
Engine · Lycoming IO-540 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE04349CHInstallation of SureFly electronic ignitionSTC SE01954SEInstallation of engine crankcase seal.STC SE02352CHInstallation of Challenger cleanable oil filter assemblySTC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.STC SE2387CEInstallation of B & C Speciality Products lightweight (10.2 pounds) engine starter P/N BC 315-100-1(12 volt) or P/N BC 315-100-3(24 volt).STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE60WEInstallation of two Rajay Turbochargers P/N RJ 0327-1 or -2 and 9 lb. Sonic nozzle.STC SE6WEInstallation of two Roto-Master Turbochargers Model No. 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model 315F10, P/N RJ0080-100, or 102)STC SE85WEInstallation of two Roto-Master turbochargers Model 3DT5FF10J2, P/N RJ 0080-102STC SE01436LAInstallation of Firewall Forward Technologies LLC modified camshaftSTC SE04577CHInstall an electronic engine ignition systemSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE01537ATReplace counterweights on Lycoming O-540-A1A5, -A1B5, -A1C5, -A1D5, and IO-540-C1B5 engines.STC SE3873NMInstallation of two AiResearch induction air intercoolers.STC SE8628SWInstallation of oil nozzles for lubrication of cam and filters.STC SE09445SCInstallation of fuel injector nozzles.STC SE03498ATConversion of Lycoming IO-540-D4B5 to Alamo Aerospace Model IO-540-D4B5-AA that has the same performance ratings and limitations as Lycoming Model IO-540-D4B5STC SE1339SWModify pistons to Drawings 11007 and 11015; piston ringsSTC SE4408SWMiscellaneous engine cylinder replacement parts.STC SE7509SWInstallation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision.STC SE7667SWInstallation of parts listed on Drawing List No. 8810-3, Rev 6.STC SE8776SWInstallation of coated cylinders and piston rings.STC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.STC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.STC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.STC SE2901NMLycoming valve cover gasketSTC SE2902NMLycoming valve cover gasketSTC SE3329NMLycoming valve cover gasketSTC SE7582SWGrinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ringSTC SE01211SEInstallation of the Merlyn Products Inc. turbocharger systemSTC SE02050AKGrind nitrided high compression cylinder barrels to plus 0.010 oversize and install P10 piston, P10 compression rings, and P10 oi l rings.STC SE00357DEModification to Textron Lycoming engine for the installation of turbonormalizing system.