NTSB investigations, CA
59 cases where the defining event was Sys/Comp malf/fail (non-power).
Cases per year
| 2008 | 3 |
|---|---|
| 2009 | 6 |
| 2010 | 5 |
| 2011 | 5 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 2 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '330')
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"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 c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '330') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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.
NTSB WPR26LA367Accident · No injuriesClass 3 · LimitedPreliminary reportHawker Beechcraft G36 · Murrieta, CAOn August 30, 2026, at 1040 Pacific daylight time, a Hawker Beechcraft G36, N646MM, was substantially damaged when it was involved in an accident near Murrieta, California. The student pilot, flight instructor, and 4 passengers were not injured. The airplane…NTSB WPR26LA227Accident · No injuriesClass 3 · LimitedPreliminary reportEmigh Trojan A2 · Healdsburg, CAOn June 21, 2026, about 1210 Pacific daylight time, an Emigh Trojan A-2, N8329H, was substantially damaged when it was involved in an accident near Healdsburg, California. The flight instructor and student pilot were not injured. The airplane was operated as…NTSB CEN26FA015Accident · Serious injuriesClass 3 · FieldPreliminary reportBell 222 · Huntington Beach, CAOn October 11, 2025, at 1401 Pacific daylight time, a Bell 222 helicopter, N222EX, was substantially damaged when it was involved in an accident near Huntington Beach, California. The pilot and passenger received serious injuries. One person on the ground…NTSB WPR25LA300Accident · No injuriesClass 4 · LimitedFinal reportAeronca 7AC · Firebaugh, CAA loss of directional control during landing due to the partial separation of the right main landing gear oleo strut from a failed weld.NTSB WPR25LA102Accident · No injuriesClass 3 · LimitedFinal reportCessna 172S · La Verne, CAThe failure of the right main landing gear tubular spring due to a fatigue crack that originated at the airframe connecting bolt hole and progressed to an overstress fracture.NTSB WPR25LA059Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · El Cajon, CAThe pilot’s inability to maintain directional control during landing with a flat tire.NTSB WPR24LA275Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-30 · Concord, CAThe failure of the main landing gear to extend and lock for reasons that could not be determined based on the available information. Contributing to the accident was a mechanical failure of the manual landing gear release mechanism due to inadequate clearance…NTSB WPR24LA134Accident · No injuriesClass 3 · LimitedFinal reportBell 206L-3 · Tracy, CAA loss of collective control authority due to fatigue failure of the collective servo cylinder extension arms from corrosion pitting.NTSB WPR24LA110Accident · No injuriesClass 3 · LimitedFinal reportBeech 60 · Chino, CACorrosion on a landing gear retract rod assembly which precluded an extension of the gear and resulted in a gear-up landing.NTSB WPR24LA067Accident · No injuriesClass 3 · LimitedFinal reportBell 206B · El Centro, CAAn in-flight failure of the engine-to-transmission driveshaft due to a fatigue fracture of the forward-most flex plate in the forward KAflex coupling that resulted from a loose bolt attachment between the flex plate and the forward driveshaft coupling.…NTSB WPR24LA032IncidentClass 3 · LimitedInvestigation openBeech 23 · Santa Ynez, CANTSB WPR23LA336Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-18-135 · Compton, CAAn overstress fracture of the pilot’s seat, which resulted in the loss of control during takeoff and the pilot’s inadvertent movement of the fuel selector and subsequent partial loss of engine power.NTSB DCA23FA417Accident · No injuriesClass 2 · FieldFinal reportBoeing 737-890 · Santa Ana, CAMaintenance personnel’s excessive grinding of the left main landing gear’s aft trunnion pin during machining, which imparted heat damage to the base metal and led to the fatigue cracking that caused the pin to fracture during landing.NTSB WPR23LA270Accident · No injuriesClass 3 · LimitedFinal reportSling Sling LSA · Palm Springs, CAFailure of the landing gear strut during takeoff due to a preexisting cracks that were caused by a manufacturing anomaly during the composite fiber layup process.NTSB WPR23LA216Accident · No injuriesClass 3 · LimitedFinal reportCessna 172R · Santa Monica, CAA failure of the nose wheel upper torque link bolt, which resulted in a loss of steering control. Contributing to the accident were maintenance personnel’s failure to inspect and replace the fractured bolt and the pilot’s oversight of the bolt during his…NTSB WPR23LA192Accident · 2 fatalClass 3 · LimitedFinal reportViking Air DHC-6-400 · Half Moon Bay, CAThe failure of the ferry fuel tank system to transfer fuel during a trans-Pacific flight for reasons that could not be determined, which resulted in fuel starvation and a subsequent ditching into the water.NTSB WPR23LA004Accident · Serious injuriesClass 3 · LimitedFinal reportBell 206B · Fresno, CAThe disbond of a tail rotor drive shaft splined adapter, which resulted in a loss of tail rotor drive and a subsequent hard landing.NTSB WPR22LA291Accident · No injuriesClass 4 · LimitedFinal reportAirbus Helicopters AS350B3 · Chino, CAThe subsequent delamination of the main rotor blades as a result of an unidentified main rotor blade impact with vegetation during a previous flight by another pilot.NTSB WPR22LA259Accident · Minor injuriesClass 3 · LimitedFinal reportSocata TB21 · San Marcos, CAThe failure of the mechanical fuel pump due to internal friction for reasons that could not be determined based on available evidence, which resulted in a total loss of engine power.NTSB WPR22LA236Accident · No injuriesClass 3 · LimitedFinal reportBell 206B · Merced, CAThe in-flight failure of the engine-to-transmission drive shaft due to a fatigue fracture of one of the KAflex flex frames caused by a loose bolt, which resulted in a total loss of power to the transmission and a subsequent hard landing.NTSB WPR22LA183AccidentClass 4 · LimitedFinal reportPyka Pelican · Winters, CADelamination of the uncrewed aircraft systems’ right wing skin surfaces from the wing spar that resulted in a spin and impact with terrain.NTSB WPR22LA149Accident · No injuriesClass 3 · LimitedFinal reportDietrich Ryan S-4 Coyote 1 · Chula Vista, CAThe pilot/owner and maintenance personnel’s improper installation of the right wing’s aft lift strut to the right wing, which resulted in a loss of lift during takeoff, an uncommanded right roll, and an impact with terrain.NTSB WPR22LA084Accident · No injuriesClass 3 · LimitedFinal reportBell UH-1E · Gustine, CAFailure of the 90° gearbox due to the lack of lubricating oil, which resulted in a loss of rotational drive to the tail rotor and a subsequent loss of control of the helicopter.NTSB WPR22FA048Accident · 1 fatalClass 3 · FieldFinal reportZenith Zodiac CH601XL · Temecula, CAThe failure of the airplane’s canopy latch system, which resulted in the canopy opening in flight and a loss of airplane control. Contributing to the accident was the lack of a secondary canopy latch as recommended by the kit manufacturer.NTSB WPR20LA288Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Chino, CAThe failure of the engine-driven hydraulic pump, which resulted in the main landing gear not fully extending and locking into place during landing. Contributing to the accident was the failure of the emergency gear extension system for reasons that could not…NTSB DCA20LA138Accident · Serious injuriesClass 3 · LimitedFinal reportBoeing 767 · Los Angeles, CAThe left main landing gear’s failure to extend due to the separation of the brake rod retaining hardware from the aft inboard wheel for reasons that could not be determined based on the available evidence.NTSB WPR20LA104Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46 · San Jose, CAThe failure to properly service the hydraulic power pack prevented a normal landing gear extension. Contributing to the accident was the failure of the landing gear emergency release valve to function properly for reasons that could not be determined based on…NTSB WPR18LA089Accident · No injuriesLimited investigationFinal reportShanks V Roger Vari EZE · Santa Monica, CAAn undetected fluid leak in the right brake line, which resulted in a reduction of braking effectiveness at the right wheel and a loss of directional control during the landing roll.NTSB WPR18LA058Accident · No injuriesLimited investigationFinal reportCessna 210 · San Bernardino, CAThe fatigue failure of the left main landing gear (MLG) saddle, which resulted in the pilot's inability to extend the left MLG. Contributing to the accident was the pilot's improper decision to fly the airplane before the annual inspection was completed and…NTSB WPR17LA159Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Van Nuys, CAAn improper repair of the right magneto's tachometer and governor signal wire, which failed during cruise flight and initiated a simultaneous malfunction of both the engine tachometer and governor control system, which resulted in erroneous and contradictory…NTSB WPR17LA061Accident · No injuriesClass 3 · LimitedFinal reportBeech 95 B55 (T42A) · Cameron Park, CAFailure of the landing gear to extend as a result of excessive wear within the landing gear gearbox and motor, which resulted in a gear-up landing.NTSB WPR16IA100Incident · No injuriesIncident investigationFinal reportPiper PA28 · San Carlos, CAThe failure of maintenance personnel to properly install and secure the input swivel boot on the swivel joint, which resulted in excessive vibration that led to fatigue cracks and failure of the throttle cable.NTSB GAA16CA074Accident · No injuriesData collectionFinal reportCessna 177 · Palm Springs, CAThe failure of a shaft seal at the nose gear retraction/extension actuator, which resulted in a loss of hydraulic fluid and a main landing gear collapse during landing.NTSB WPR15LA149Accident · Minor injuriesLimited investigationFinal reportPiper PA 18-150 · La Quinta, CAMaintenance personnel’s failure to properly repair a propeller deformation, which resulted in a fatigue crack, separation of a propeller blade tip, and forced landing onto uneven terrain.NTSB WPR15IA046Incident · No injuriesIncident investigationFinal reportEmbraer EMB-505 · Palm Springs, CAThe failure of the gust lock actuator solenoid for reasons that could not be determined because postaccident examination of the rudder gust lock system revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB WPR14LA062Accident · No injuriesLimited investigationFinal reportHiller UH 12E · Chowchilla, CAThe failure of the torsional drive coupling, which resulted in a loss of drive to the main rotor system during low-altitude flight.NTSB WPR13LA274Accident · No injuriesLimited investigationFinal reportCessna T210L · Fresno, CAA hydraulic fluid leak in the nose landing gear actuator rod seal, which prevented the hydraulic system from building up sufficient pressure to fully retract or extend the main landing gear.NTSB WPR13LA184Accident · Serious injuriesLimited investigationFinal reportBeech A36TC · Big Bear City, CAThe improper overhaul of the propeller, which resulted in the installation of an incorrect propeller actuating pin and deformation of the ferrule hole and led to the pin’s fatigue failure. Contributing to the accident was the failure of multiple owners and…NTSB WPR12LA233Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Wilton, CAThe failure of the hopper gate mechanism and subsequent sulfur fire during a low-level maneuver.NTSB WPR12LA096Accident · No injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58A · Brawley, CAThe failure of the main rotor mast due to fatigue cracks that originated from corrosion pits. Contributing to the accident was the operator’s failure to adhere to the manufacturer’s recommended overhaul interval for the main rotor mast.NTSB WPR11LA303Accident · Serious injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58C · Brentwood, CAThe failure of the main rotor mast due to fatigue cracking originating from corrosion pits.NTSB WPR11LA282Accident · No injuriesLimited investigationFinal reportHiller UH12E · Hanford, CAThe separation of the tail rotor drive gear shaft due to torsional fatigue of its threaded portion, which resulted in a loss of tail rotor control.NTSB DCA11PA075Accident · Minor injuriesFinal reportBoeing 707-321B · Point Mugu, CAthe failure of a midspar fitting, which was susceptible to fatigue cracking and should have been replaced with a newer, more fatigue-resistant version of the fitting as required by an airworthiness directive. Also causal was an erroneous maintenance entry…NTSB WPR11LA205Accident · Minor injuriesLimited investigationFinal reportBennett Midjet Mustang I · Ramona, CAThe pilot's inability to maintain directional control during the landing roll due to the overload separation of the left brake master cylinder from the left rudder pedal assembly.NTSB WPR11LA119Accident · No injuriesLimited investigationFinal reportCzech Sportplanes Sro Dynamic · Palm Springs, CAInadvertent opening of the airplane canopy during the landing approach in a downdraft, which resulted in a rapid descent and hard landing.NTSB WPR10TA318Accident · No injuriesFinal reportBell UH-1H · Santa Barbara, CAThe failure of left tailboom upper attachment fitting as a result of fatigue.NTSB WPR10LA275Accident · Minor injuriesLimited investigationFinal reportAirborne Windsports PTY Edge X · Alturas, CAFracture of a mast support cable due to corrosion, which resulted in a loss of control during the landing roll.NTSB WPR10IA256Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2B19 · Ontario, CAFailure of the airplane’s nose landing gear to extend for undetermined reasons.NTSB WPR10LA253Accident · Serious injuriesLimited investigationFinal reportSchweizer G-164B · Robbins, CAThe failure of the wheel hub flange, which allowed the over size tire to expand and impinge on the brake disc and caliper, which resulted in a loss of control during the landing.NTSB WPR10LA252Accident · Serious injuriesLimited investigationFinal reportLuscombe Silvaire S-LSA-8C · Bakersfield, CAThe pilot's continued operation of the airplane with known mechanical deficiencies, which resulted in a loss of engine power due to fuel starvation.