N1821
STCs that may be installed · 369
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 = '1182110'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '54013')
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 = '1182110'
UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '54013')
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 · Bell 206-L4
STC SR00958DEInstallation of Airborne LIDAR Pipeline Inspection Service (ALPIS).STC SR00821DEInstallation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and in functionality using the BendixKing KT74 Transponder and qualified position sensor and ADS-B In ReceiverSTC SR04279NYInstallation of the Wall BlanketsSTC SA00475SEReplacement of the original land gear skid tubes and saddles with DART Aerospace Model D206-642 skid tubes and saddles.STC SA00500SEInstallation of DART Heli-Access-Steps on the skid landing gear cross tubes.STC SR02253SEFabrication of Geneva Aviation P162 Cross-Tube Antenna MountsSTC SR02258SEInstallation of a tail rotor pedal lockout kitSTC SH3644NMInstallation of Transporter cargo steps (left and right). Applies only to those Bell models which are fitted with Bell high skid landing gear, p/n 206-706-064.STC SR00812DEInstallation of Honeywell Sky Connect Tracker III systemSTC SR02657LAInstallation of a Trakkabeam A800 Searchlight on the Aero Pacific AP407UM01 Aft Utility Mount (STC SR00891LA) of the affected helicoptersSTC SR09421RCInstallation of Inlet Barrier Filter systemSTC SR09472RCInstallation of portable Oxygen Bottle mount.STC SR02413LAInstallation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000STC SR09573RCInstallation of storage bin for soft goods storage in hat bin area behind forward facing passenger seatsSTC SR02487AKInstallation of L-3 Communications Avionics Systems ESI-500 Standby Instrument SystemSTC SR04913CHInstallation of LORD Tension-Torsion Strap AssemblySTC SR09870ACInstallation of floor protectorsSTC SR09183RCInstallation of a microwave antenna.STC SR09522RCInstallation of frameless seat cushionsSTC SR09361RCInstallation of Helifab Litter Support ModificationSTC SR09598RCInstallation of a Radar Altimeter Antenna Mount KitSTC SH7638SWInstallation of IFR/Law Enforcement Instrument Panel.STC SR03809NYInstallation of Bear Paw Auxiliary Skid PadsSTC SH1018EAInstallation of Casey shroud type heater.STC SH574NEInstallation of environmental control system.STC SR02597LAInstallation of radar altimeter antenna mounting provisionsSTC SA00780SEInstallation of the True Lock Safety Retention Axle Lock Nut SystemSTC SR00462SEInstallation of Concorde RG-222 battery.STC SR02470AKInstallation of the L-3 Communications NGT -1000/2000/2500 ADS-B SystemSTC SR02471AKInstallation of the L-3 Communications NGT -9000/9000R ADS-B SystemSTC SR09611RCInstallation of Replacement Windshields KitSTC SR01813WIInstallation of EMS Optional Equipment.STC SR03448NYInstallation of a TDFM-9000 Multiband TransceiverSTC SR02123SEInstallation of Garmin GDL 84H/88H ADS-B UAT Transceiver SystemSTC SR09065RCInstallation approval of an engine torque instrument with memory exceedance.STC SR02080SEInstallation of Garmin Model 400W/500W Series Navigators including Helicopter Terrain Awareness and Warning System (HTAWS) functionality.STC SR02964CHInstall Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-206-011-154-105/-107STC SR02394AKReplacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting systemSTC SR01119NY-DInstallation of a NS Microwave Systems Transmitter/Receiver and Antenna.STC SH3887NMInstallation of bleed air cabin heating system and/or windshield defroster systemSTC SR03465NYInstallation of Replacement Engine Mount KitsSTC SR00180SEInstallation of an engine air filterSTC SR02271LAInstallation of Apical Industries, Inc. Cable Cutters KitsSTC SR02284AKManufacture cargo basket.STC SR02122SEInstallation of a Garmin GRA 55 or GRA 5500 Radar AltimeterSTC SR09517RCInstallation of Night Vision Goggle (NVG) compatible interior lighting systemSTC SR03383NYInstallation of a Latitude Technologies IONODE Flight Data Monitoring (FDM)STC SR09473RCInstallation of Night Vision Goggle Compatible Interior Lighting SystemSTC SR01383SEInstallation of a supplemental lighting system.STC SR01866CHInstall Electrically Actuated Retractable Microwave Antenna on Landing Gear Skid.