N54HC
STCs that may be installed · 129
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 = '2076601'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '66000')
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 = '2076601'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '66000')
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 · Cessna 525
STC ST01305WI-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 in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision.STC SA01844WIInstallation of Garmin GFC 600 Automatic Flight Control SystemSTC SA02279ATInstallation of a Boom Beam bulb, starter, and ballastSTC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsSTC SA12030NYInstallation of the position/anti-collision LED lights and LED beacon lightSTC SA04750NYInstallation of the Electric Flushing Toilet and External Service PanelSTC SA12345IBReplacement of the Halon Type 1211 portable fire extinguisher with the Halotron BrX portable fire extinguisherSTC SA2622NMInstallation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)STC SA02017WIThe Installation of the Parker-Meggitt iPRESS™ SystemSTC SA12014LAInstallation of aluminum and fiberglass wheel coversSTC SA04619CHINSTALL SMARTSKY LITE SYSTEMSTC SA11158SCDemonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS)STC SA11300DSUpgrade previously installed Collins Aerospace Radar AltimeterSTC SA09887ACInstallation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica
Cellular Module (avCMSTC SA11874LAInstallation of Collins Iridium Certus SatcomSTC SA11301DSInstallation of an AirSync flight data monitoring systemSTC SA01848WIModification of a Rockwell Collins Global Positioning System (GPS)STC SA00209IBInstallation of Single Garmin GTN 725(Xi)/GTN 750 (Xi) Unit and optional Garmin Flight Stream FS 510STC SA04051CHCertification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D TranspondersSTC SA03316CHActivation of an 802.11 a/b/g/n WiFi SystemSTC SA02658SEInstallation of Garmin GI 275 Multi-Function Display SystemSTC SA11219SCInstallation of a Rockwell Collins Pro Line Fusion ® embedded display system (EDS) with updated flight recorder data outputs for interface with the Digital Flight Data Recorder (DFDR)STC SA00120IBInstallation of the Universal Kapture Cockpit Voice Recorder (CVR) with Recorder Independent Power Supply (RIPS)STC SA02010WIInstallation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD)STC SA10245SCInstallation of Heads Up Technologies, Inc. XM 400 Radio Receiver and Antenna SystemSTC SA00093IBInstallation of the provisions for wireless connection of a PED/EFB to Garmin G3000 avionics via
Garmin FS-510STC SA00076IBInstallation of Photo luminescent Safety SystemsSTC ST00011WIInstallation of Concorde RG380E/40 and 40B battery.STC SA01085DEMaster Drawing List, Doc No. MDL-TXT-001, LinxUs Legacy, Issue IR.1,STC SA00024IBInstallation of S/W 6.71 updated Garmin GTN6/750 or alternatively GTN6/750Xi navigation instruments, with Garmin Flight Stream 510 Bluetooth in accordance with Avionik StraubingSTC SA02272SEInstallation of a Crane Aerospace & Electronics Tire Sensor AssemblySTC SA09856ACInstallation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & EquipmentsSTC SA02265SEInstallation of a camera housingSTC SA01958WIInstallation of Garmin Avionics Modernization PackageSTC SA01755WIInstallation of a GPS LEFT/RIGHT Deviation ConverterSTC SA01960WIInstallation of a RVSM-capable Garmin GDU-1060 Touch Screen PFDSTC SA02075SEInstallation of a Mid-Continent MD835( ) Lithium Ion BatterySTC SA04525NYInstallation of dual GPS/NAV/COMM Garmin GNS430/530(A)WSTC SA04520NYADS-B Out GNSS source modification for transponder #2STC SA04514NYSingle/Dual Transponder System ADS-B UpgradeSTC SA02677LAModification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-700 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B OutSTC SA02678LAModification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-600 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B OutSTC SA04430NYInstallation of Standby InstrumentSTC SA03842NYInstallation of the Tamarack ATLAS WingletsSTC 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.STC SA04015NYInstallation of Cabin Entry Step AssemblySTC SA01093SEInstallation and inspection of emergency medical stretcher and base, and oxygen system.STC SA01903CHReplacement of certain Goodrich pneumatic deicer boots.STC SA03241CHInstall air ambulance conversionSTC SA00765DEInstallation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor