N20KA

STCs that may be installed · 254

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 = '2808005'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52032')
    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.

Airframe · Dehavilland DHC 2 MK III

STC SA4326NMInstallation of a P&W PT6A-3A engine and a Hartzell HC-B3TN-3BY/ T1017EC + 1 propeller.Viking Air LimitedSTC SA02006AKFabrication of stabilizer front spar center section.Sheldon William LSTC SA5926NMInstallation of manifold pressure instrument.Electronics InternationalSTC SA1284GLModify existing wing struts.Wipaire IncSTC SA1015NEInstallation of redesigned elevator trim tab pushrod assembly.Sealand Aviation Ltd · Lists DHC-2 SeriesSTC SA1792GLInstallation of S-TEC Model 50 autopilot system Option 1 - autopilot only; Option 2 - autopilot and electric trim; Option 3 - autopilot and yaw trim; Option 4 - autopilot, electric trim and yaw trim; Option 5 - Electric trim only.Wipaire IncSTC SA2844CEInstallation of a plastic cap enclosure over the anti-collision strobe light system.Air Transport IncSTC SA1726GLReplacement of P&W PT6A-27 aircraft engine with P&W PT6A-28 aircraft engine and Hartzell propeller model HC-B3TN-3DY/T10282.Wipaire IncSTC SA1723GLInstallation of flow energizers. (DHC-2 (L-20A) MK.III LANDPLANE AND FLOATPLANE)Wipaire IncSTC SA4642NMFabrication and installation of replacement cabin floor.Alaska Aircraft Sales, IncSTC SA4643NMFabrication and installation of baggage compartment door.Alaska Aircraft Sales, IncSTC SA4644NMRelocation of aircraft battery.Alaska Aircraft Sales, IncSTC SA4645NMFabrication and installation of additional side windows in aft cabin.Alaska Aircraft Sales, IncSTC SA4646NMExtension of cabin aft to fuselage station 104.Alaska Aircraft Sales, IncSTC SA4647NMModification of cockpit doors and door windows, and installation of doors thus modified.Alaska Aircraft Sales, IncSTC SA4648NMFabrication and installation of replacement pilot and co-pilot seats.Alaska Aircraft Sales, IncSTC SA4649NMFabrication and installation of replacement single passenger seats.Alaska Aircraft Sales, IncSTC SA4650NMFabrication and installation of replacement dual passsenger bench seat.Alaska Aircraft Sales, IncSTC SA1490GLReplacement of P&W PT6A-20A aircraft engine with P&W PT6A-27.Wipaire IncSTC SA690GLInstall additional cabin windows.Wipaire IncSTC SA714GLInstall a baggage door and an enlarged baggage compartment.Wipaire IncSTC SA711GLInstall pilot, copilot, and passenger seats.Wipaire IncSTC SA660WEInstallation of HRD-type fire extinguishing system. (AND STC SA111WE)Pacific Scientific · Lists DHC-2 SeriesSTC SA954GLInstallation of an electric driven flap pump system.Wipaire, IncSTC SA255NMInstallation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system.K S Avionics IncSTC SA2625NMInstallation of Pee Kay DeVore Spreader Bar (P/N 35-6048) on EDO WA 4665 Seaplane Floats.Renton Aviation IncSTC SA1460NMRelocation of battery from station (+96.5) to station (-41.58) and associated bracketryDenis MorganSTC SA9NWInstallation of Sorm Industries Cargo TankSorm IndustriesSTC SA646NWModification of main landing gear axles.General Aircraft SupplySTC SA416NWInstallation of EDO Model 61-5870 floats.Jobmaster Company Inc · Lists DHC-2 SeriesSTC SA305NWInstallation of EDO 5250 floatsJobmaster Company IncSTC SA547ALModification of elevator and horizontal stabilizer tips.US Dept of Interior · Lists DHC-2 SeriesSTC SA2105WEInstallation of Model EGT-3 exhaust gas temperature monitor(with rising temperature alarm). (DC-6B (NAVY R6D-1Z) 680)K S Avionics, Inc · Lists DHC-2 SeriesSTC SA3-105L2C automatic pilot with altitude control and approach coupler.Bendix Corp · Lists DHC-2 SeriesSTC SA115WEPratt & Whitney R-985-APS4 installation converted under STC SE4-864.Aviation Power Supply IncSTC SA245ALRelocation of wing tip fuel control valve.US Dept of Interior · Lists DHC-2 SeriesSTC SA263SORemoval of power plant extinguisher system and installation of firewall patches.State Airlines Inc · Lists DHC-2 SeriesSTC SA37EARemoval of left rear cabin door for parachute jumping operations.Westover SAC Aero Club · Lists DHC-2 SeriesSTC SA4-322Full-flow oil filter 1050-B-83 with element 1A0094.Winslow Aerofilter Corp · Lists DHC-2 SeriesSTC SA622WEFuel injected Pratt & Whitney R-985-AN-1, -2, -3, -4, -6, -6B, -8, -10, -12B, -14B, -14B1 or Wasp Jr. SB-3 engine.Aviation Power Supply Inc · Lists DHC-2 SeriesSTC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorPeregrineSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemGarmin International IncSTC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleVoiceFlight Systems LLCSTC SA00281BO PAGE 1Installation 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 700-00165-000Avidyne CorporationSTC SA00281BO PAGE 2Installation 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 700-00165-000Avidyne CorporationSTC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemGarmin AT Inc.STC SA01229SEInstallation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios.UPS Aviation Technologies

Engine · Pratt & Whitney PT6A series

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