N504DD

STCs that may be installed · 86

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 = '0390310'
      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 · Air Tractor AT-504

STC SA04484CHInstallation of a Reabe Aircraft Improvement Power Gate Control SystemReabe Design LLCSTC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsAeroLED's Holdings, LLCSTC SA02019SE-DInstallation of Garmin Model GTN 625/635/650; 725/750 Navigation SystemGarmin International Inc.STC SA12204WIWing Spar Cap manufacturing process changeAir Tractor Inc.STC SA03040CHInstallation of a digital payload hopper quantity and spray boom pressure indicating systemReabe Design LLCSTC SA04046CH PAGE 1Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)Acron Aviation Inc.STC SA04676CHInstallation of a True Quantity Gauge SystemReabe Design LLCSTC SA02266SEInstallation of a Lever Throttle QuadrantKawak Aviation Technologies IncSTC SA02444AKApproval of the L-3 Communications NGT 9000/9000R ADS-B system installedADS-B Technologies LLCSTC SA01714WIInstallation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.Garmin International IncSTC SA02135SEInstallation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data)Electronics International Inc.STC SA04165NYInstallation of Latitude Technologies Skynode S200 Satcom system must be performedLatitude Technologies CorporationSTC SA01323CHInstallation of a ground single point fueling system.Turbine Conversions LtdSTC SA04145NYInstallation of the Flight Data Acquisition Storage and Transmission System (Fast)Amtech Aeronautical LimitedSTC SA01745WIInstallation of a Cable Cutter System on the Main Landing GearHershey Flying Service IncSTC SA01845WIInstallation of a Center WindshieldHershey Flying ServicesSTC SA09873ACInstallation of Night Vision Goggle (NVG) compatible lighting system in Air Tractor, Inc.REB Technologies IncSTC SA00382BOInstallation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanesAvidyne CorporationSTC SA02276AKInstallation of AMSAFE Aviation Inflatable RestraintsAMSAFE Inc.STC SA02119SE PAGE 1Installation of Garmin GDL 88 ADS-B UAT Transceiver SystemGarmin International IncSTC SA03439CHInstallation of a Hartzell Propeller model .HC-B4TN-3C/T10702NS (4 Blade)Aero Innovations LLCSTC SA02442AK PAGE 1Approval of the L-3 Communications NGT 2000/2500 ADS-B systemADS-B Technologies, LLCSTC ST03554CHInstallation of Rotary Gatekeeper and provisions equipmentTurbine Conversions LtdSTC SA00403SEInstallation of Vortex Generators on the wingsMicro AeroDynamics IncSTC SA02985CHInstallation of a Cool Start System in accordance with Installation Instructions , Revision A, dated April 14, 2011, or later FAA Approved revision.Turbine Conversions LtdSTC SA00068SEInstallation of fuel flow/pressure instruments. (W/TSIO-360-MB1)Electronics International Inc.STC SA02110CHInstallation of a Time Trac Data RecorderP2 IncorporatedSTC SA2693NMInstallation of Electronics International digital volt/amp gauges and accessories.Electronics International Inc.STC SA04677CHInstallation of a Powered Hopper Lid and Auger SystemReabe Design LLC

Engine · Pratt & Whitney PT6A series

STC SE12225ACThis STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installationHigh Cotton Aircraft Conversions, LLC · Lists PT6A-41STC SE00010ENInstructions for Continued Airworthiness for the PT6A-25, and, -25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company Inc · Lists PT6A-25STC SE000010ENInstructions for Continued Airworthiness for the PT6A-25 and PT6A-25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company, Inc. · Lists PT6A-25STC SE000011ENInstructions for Continued Airworthiness for the PT6A-25C engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company, Inc. · Lists PT6A-25CSTC SE00001ENEngines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 2, 8/16/95.MORE Company Inc · Lists PT6A-38STC SE00002ENInstructions for Continued Airworthiness for the PT6A-34, -34AG, -34B, -36, -114, -114A, -116, -135, and -135A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company Inc · Lists PT6A-114STC SE00003ENInstructions for Continued Airworthiness for the PT6A-6/C20, -20, -20A and, -20B engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company Inc · Lists PT6A-20STC SE00004ENInstructions for Continued Airworthiness for the PT6A-11, -11AG, -15AG, -110 and-112 engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company Inc · Lists PT6A-11STC SE00006ENInstructions for Continued Airworthiness for the PT6A-45A, -45B, and, -45R engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company Inc · Lists PT6A-45ASTC SE00011ENInstructions for Continued Airworthiness for the PT6A-25C engine model that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals.MORE Company Inc · Lists PT6A-25CSTC SE000ENEngines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 4, dated 8/16/95.MORE Company Inc · Lists PT6A-21STC SE10947SCThe conversion of the Pratt & Whitney Canada, Model PT6A-21 to a PT6A-28 turboprop enginePrime Turbines · Lists PT6A-21STC SE00482SEIncorporation of turbine engine into a twin power section turboprop assembly.Fifty-Ten-Yankee LLC · Lists PT6A-114ASTC SE10552SCConversion of Pratt & Whitney Canada Corp. Model PT6A-27 or -28 to a Model PT6A-34 turboprop engine.Prime Turbines LLC · Lists PT6A-27STC SE11139SCThe conversion of the Pratt & Whitney Canada, Model PT6A-135 to a PT6A-135A turboprop engineAirforce Turbine Service · Lists PT6A-135STC SE11141SCThe conversion of the Pratt & Whitney Canada, Model PT6A-15AG to a PT6A-34AG turboprop engineRT Turbines Inc · Lists PT6A-15AGSTC SE02170ATInstallation of Pc Safety Valve KitBell Helicopter Textron Inc. · Lists PT6A-27STC SE11095SCThe conversion of the Pratt & Whitney Canada, Model PT6A-27 to a PT6A-34 turboprop engineR.T. Turbines, Inc. · Lists PT6A-27STC SE01624WIConversion of Pratt & Whitney Canada, Model PT6A-60A to a North Star Aviation PT6A-60AG turboprop engine. Data required: 1. A copy of this certificate 2. North Star Aviation document, NSA No. 1200, Turboprop Engine Conversion of PT6A-60A Model to PT6A-60AG Configuration per FAA Approved STC , dated March 15, 2011, or later FAA approved revision 3. The ICA supplement for North Star Aviation PT6A-60AG models, Instructions for Continued Airworthiness, NSA No. 1200-ICA, Rev NC, dated March 9, 2011 or later applicable revision.North Star Aviation Inc. · Lists PT6A-60ASTC SE02837NYThe conversion of the Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-28 engine to be done.Rocky Mountain Aircraft · Lists PT6A-21STC SE02688NYThis modification would incorporate improved compressor components into the Pratt & Whitney PT6A-28 engine from the PT6A-135A engine.Standard Aero Limited · Lists PT6A-28
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