NTSB investigations, CA
89 cases where the sequence of events included Sys/Comp malf/fail (non-power).
Cases per year
| 2008 | 8 |
|---|---|
| 2009 | 9 |
| 2010 | 7 |
| 2011 | 8 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 4 |
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '330' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '330' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 · LimitedInvestigation openHawker Beechcraft G36 · Murrieta, CANTSB 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 WPR26LA159Accident · Minor injuriesClass 4 · LimitedFinal reportCirrus Design SR22T · Fullerton, CAThe pilot’s loss of control during takeoff, due to the seat sliding aft.NTSB WPR26LA143Accident · No injuriesClass 4 · LimitedFinal reportPaul D Cannon Kitfox Light Squared · Lincoln, CAThe pilot's failure to properly flare the airplane during landing, which resulted in a hard landing and separation of the main landing gear. Contributing to the accident was the improper installation and over torquing of the landing gear attachment hardware,…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 WPR24LA157Accident · No injuriesClass 3 · LimitedFinal reportCessna P210 · Daggett, CAThe pilot’s failure to detect the tripped alternator circuit breaker in flight, which resulted in a drained battery that prevented the landing gear from fully extending to the down-and-locked position. Contributing to the accident was the improperly installed…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 WPR24LA045Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 170B · Cameron Park, CAA failure of the right brake master cylinder piston due to a faulty return spring, which resulted in a seized right main landing gear brake and a runway excursionNTSB 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 WPR22LA226Accident · No injuriesClass 3 · LimitedFinal reportCessna TR182 · Santa Barbara, CAA failure of the right main landing gear actuator pressure line O-ring, which resulted in a gear-up landing on the runway.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 WPR22LA015Accident · Serious injuriesClass 3 · LimitedFinal reportWsk-Mielec AN-2TD · Wilton, CAThe pilot’s inability to control the airplane’s pitch during departure for reasons that could not be determined because of the extensive fragmentation and thermal damage the airplane sustained in the accident sequence.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 WPR20LA226Accident · No injuriesClass 3 · LimitedFinal reportBoeing B75 · Chino, CAThe pilot’s failure to maintain directional control during the landing roll.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 WPR18LA264Accident · No injuriesLimited investigationFinal reportCessna T210 · San Luis Obispo, CAThe failure of the landing gear extension motor due to wear, which resulted in the right main landing gear not fully extending and locking into place during landing. Contributing to the accident was the pilot’s failure to ensure that all three landing gear…NTSB ANC18LA043Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Ramona, CAThe failure of the engine-driven hydraulic pump due to the installation of improper cap screws, which resulted in a gap in the pump housing, a subsequent hydraulic leak, and the landing gear collapsing.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 GAA17CA119Accident · No injuriesData collectionFinal reportCessna 175 · Lakeport, CAThe pilot’s failure to secure the airplane before pulling the propeller through, which resulted in the airplane rolling and subsequently colliding with a parked airplane.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 GAA16LA056Accident · No injuriesLimited investigationFinal reportAirbus EC135 · Apple Valley, CAThe ingestion of a towel from an unsecured storage container at the landing site into the helicopter's fenestron during the landing.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 GAA15LA092Accident · No injuriesLimited investigationFinal reportCzech Aircraft Works Spol Sro Sportcruiser · Fresno, CAThe failure of the nose landing gear (NLG) leg due to fatigue fractures, which resulted in the NLG collapsing 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 WPR14TA248Accident · No injuriesFinal reportLockheed SP 2H · Fresno, CAThe collapse of the nosewheel landing gear due to the disengagement of the nosewheel landing gear pin. Contributing to the accident was the failure of the main hydraulic system due to overpressurization for reasons that could not be determined during…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.