N121LH

STCs that may be installed · 107

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 = '7104212'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '52150')
    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 · Piper PA-42-720

STC SA00281BOInstallation 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 SA00243BOInstallation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200).Icarus Avionics, LLCSTC SA00681WI-DModification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System InstallationRockwell Collins IncSTC SA3611SWInstallation of a stretcher in place of two passenger seats.Airline Fueling Inc.STC SA00290BOInstallation of Avidyne Corporation Part Number 700-00167-XXX Multi-Function Display and Mounting Tray Assembly Part Number 700-00168-XXXAvidyne CorporationSTC SA00961WIStretcher installation per Aviation Fabricators STC Drawing List AF-204, Rev A, dtd 7/7/97, stamped "FAA Approved" with an approval date of 4/13/01 or later FAA approved revision.Aviation Fabricators IncSTC SA02110CHInstallation of a Time Trac Data RecorderP2 IncorporatedSTC SA01473SEInstallation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote TranspondeGarmin AT Inc.STC SA4005NMPrecise Flight Inc. Pulselite Control SystemPrecise Flight IncSTC SA01306WI-DModification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation.Rockwell Collins IncSTC SA01695SEInstallation of an antennaGarmin AT Inc.STC SP00400SEInstallation of various propeller electrical de-icer modelsSMR TechnologiesSTC SA01141WI-DModification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94 Mode S Transponder System installation with CTL-92E control head.Rockwell Collins IncSTC SA00785CHInstallation of McCauley propeller model 4HFR34C774/94LPA-0.McCauley Propeller SystemsSTC SA01487SEInstallation of a GDL 69 or GDL 69A XM Satellite Receiver in accordance with Garmin Supplemental Type Certificate Master Data List, P/N 005-C0217-00, Revision A, dated December 20, 2004, or later FAA approved revision.Garmin AT Inc.STC SA01158WIInstallation of Aero Enhancements UV250-1 Supplemental Instrument Panel Lightning System.Aero Enhancements Inc.STC SA00161BOInstallation of Avidyne Corporation FlightMax 700-00007-( ) EX500 Multi-Function Display.Avidyne CorporationSTC SA02154AKInstallation of the UPS Aviation Technologies Inc. Apollo MX20 multi-function display, P/N 430-0270-500.Garmin AT Inc.STC SA02217AKInstallation of Garmin AT Model GDL90 UAT Data Link System, in accordance with Garmin AT, Inc., GDL 90 UAT Master Data List, P/N 560-0278-01, Revision A, dated November 12, 2004, or later FAA approved revision.Garmin AT Inc.STC SA1130SWInstallation of side facing seats in accordance with (1) Custom Aircraft Conversions, Inc. Drawing List 7057, Revision B, dated 3/20/70, and E.O. No. 2, dated 11/6/71; or (2) Aviation Fabricators, Inc. STC Drawing List AF-206, Rev. (D), dated 5/5/98, or later FAA approved revision.Aviation Fabricators IncSTC SA572EAInstallation of Goodrich Model 5735K deicer kit (P/N 5735 deicer boot, P/N D-5735-1 cable, P/N 5735H hardware kit). Limited to aircraft which incorporate Goodrich Propeller Deicing Systems equipped with Goodrich Propeller Deicer Boot P/N 4E1185-5 on Hartzell propellers as listed on STC SA572EA eligibility list.Goodrich Corp.STC SA3306NMInstallation of monorail sun visor system.Rosen Sunvisor Systems LLCSTC SA01787CHReplacement of certain BFGoodrich pneumatic deicer boots.SMR TechnologiesSTC SA1728SOReplace existing nickel-cadmium batteries with Teledyne Battery Products G-6381E and G-6381ES.Teledyne Battery ProductsSTC SA812NEInstallation of BF Goodrich Model 6975-1 De-Icer kit or BF Goodrich Model 6975-10 De-Icer kit.BF Goodrich AerospaceSTC SA01219CHInstall air ambulance conversion.Aeromed Systems, IncSTC SA00695NYInstallation of SATCOM radome, antenna, handset and/or headset adapters, transceiver and cabin network unit.Northeast Engr & Dev LtdSTC SA5656NMInstallation of burglar alarm system.Thompson Harold SSTC SA1996CEStretcher installation, structural provisions only.Med-Flite of Midamerica, IncSTC SA1987CEStructural provisions only for medical provision console installation.Med-Flite of Midamerica, IncSTC SA3881NMInstallation of medical transport unit.Turbo West Corpac IncSTC SA2019SOInstallation of Allied/Bendix microwave landing system MLS-21.AlliedSignal Commercial Avionics SystemsSTC SA2150CEInstallation of entertainment/ refreshment cabinet.Duncan Aviation, IncSTC SA1663SOInstallation of Bendix dual electronic flight systems (EFS-10).Bendix Corporation Avionics DivSTC SA02019SE-D PAGE 2Installation of Garmin GTN 6XX/7XX Navigation SystemGarmin International IncSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemGarmin International IncSTC 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 700-00165-000Avidyne CorporationSTC SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.Garmin AT Inc.STC 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 Canada PT6A-6 series

STC 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-6/C20STC 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 SE00014ENInstallation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models.Pratt & Whitney Engine Services Inc.STC SE00020ENInstallation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1Pratt & Whitney Engine Services Inc.STC SE8652SWInstallation of a flexible hose from the Propeller Primary Governor to the Fuel Control Unit.Air Tractor Inc · Lists PT6A-60AGSTC SE2960SOInstallation of an oil filler cap safety adapter.Jet Avion CorporationSTC SE615GLIncorporation of a fuel flow transducer.Shadin AvionicsSTC SE01805NYInstallation of Fuel Nozzle Adapters using studs and nuts.Atlantic Turbines International Inc. · Lists PT6A-60ASTC SE00022ENInstallation of Oil Tank Filler Neck Check Valve.Helicopter Support Inc Services Div · Lists PT6A-66STC SE09257SCConvert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration.Covington Aircraft Engines, Inc.
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