# NTSB investigations: Continental TSIO-520 series, CA NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 1 of 5 · 245 cases ## Latest cases - [NTSB WPR26LA340](https://openairdocs.org/ntsb/WPR26LA340.md): Cessna P210N · San Luis Obispo, CA · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 13, 2026 · N4617W · Substantial damage > On September 13, 2026, about 1515 Pacific daylight time, a Cessna P210N airplane, N4617W, was substantially damaged when it was involved in an accident near San Luis Obispo, California. The pilot, pilot-rated-passenger, and a passenger were not injured. The… - [NTSB WPR26LA124](https://openairdocs.org/ntsb/WPR26LA124.md): Cessna T210 · Upland, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 11, 2026 · N29138 · Substantial damage > The pilot’s improper approach, which resulted in a long landing, runway excursion, and a nose over. - [NTSB WPR25LA282](https://openairdocs.org/ntsb/WPR25LA282.md): Cessna P210N · Victorville, CA · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 13, 2025 · N25WD · Substantial damage > On September 13, 2025, about 1300 Pacific daylight time, a Cessna P210N airplane, N25WD, was substantially damaged when it was involved in an accident near Victorville, California. The pilot and flight instructor were not injured. The airplane was operated as… - [NTSB WPR24LA157](https://openairdocs.org/ntsb/WPR24LA157.md): Cessna P210 · Daggett, CA · Accident · No injuries · Class 3 · Limited · Final report · May 16, 2024 · N4769K · Substantial damage > The 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 WPR24LA133](https://openairdocs.org/ntsb/WPR24LA133.md): Cessna T210 · Placerville, CA · Accident · No injuries · Class 3 · Limited · Final report · Apr 23, 2024 · N89EP · Substantial damage > The pilot’s loss of directional control during the landing roll. - [NTSB WPR24LA046](https://openairdocs.org/ntsb/WPR24LA046.md): Cessna P210N · Big Bear, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 2, 2023 · N7LV · Substantial damage > A loss of engine power during the initial climb for undetermined reasons, which resulted in an aborted takeoff and runway excursion. - [NTSB WPR24FA037](https://openairdocs.org/ntsb/WPR24FA037.md): Cessna P210N · San Diego, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 16, 2023 · N1400 · Substantial damage > A total loss of engine power due to fuel exhaustion. Contributing to the accident were the pilot’s inadequate flight and fuel planning and his decision to fly in night instrument meteorological conditions despite his lack of recent instrument flight. - [NTSB WPR24LA003](https://openairdocs.org/ntsb/WPR24LA003.md): Cessna 340A · Hayward, CA · Accident · No injuries · Class 3 · Limited · Final report · Oct 2, 2023 · N121CB · Substantial damage > The pilot’s sudden incapacitation from effects of a previously undiagnosed underlying heart disease, which resulted in his loss of control of the airplane and subsequent impact with terrain. - [NTSB WPR23LA321](https://openairdocs.org/ntsb/WPR23LA321.md): Cessna T210M · Napa, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 21, 2023 · N6535B · Substantial damage > Insufficient hydraulic pressure to the landing gear system following the completion of the emergency gear extension checklist, which resulted in the main landing gear collapsing during landing. Contributing to the accident was a loss of electrical power for… - [NTSB WPR23LA234](https://openairdocs.org/ntsb/WPR23LA234.md): Cessna P210N · Olivehurst, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 10, 2023 · N4761A · Substantial damage > The pilot’s failure to extend the landing gear before landing. - [NTSB WPR23LA174](https://openairdocs.org/ntsb/WPR23LA174.md): Cessna T210N · San Luis Obispo, CA · Accident · No injuries · Class 4 · Limited · Final report · May 2, 2023 · N29TR · Substantial damage > The pilot’s failure to maintain directional control during the landing roll. - [NTSB WPR23LA098](https://openairdocs.org/ntsb/WPR23LA098.md): Cessna T210N · Murrieta, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 27, 2023 · N4758C · Substantial damage > A loss of engine power during the turn from base to final for undetermined reasons. Contributing to the accident was the pilot’s decision to not maintain traffic pattern altitude, which resulted in the off-airport landing. - [NTSB WPR23FA092](https://openairdocs.org/ntsb/WPR23FA092.md): Cessna 414 · Modesto, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jan 18, 2023 · N4765G · Substantial damage > The pilot’s exceedance of the airplane’s critical angle of attack and failure to maintain proper airspeed during a turn to final, resulting in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s distraction… - [NTSB WPR22LA228](https://openairdocs.org/ntsb/WPR22LA228.md): Cessna P210N · Palm Springs, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 4, 2022 · N4752K · Substantial damage > The failure of the pilot to ensure the landing gear was down and locked before landing. - [NTSB WPR22LA181](https://openairdocs.org/ntsb/WPR22LA181.md): Cessna 185 · Franklin, CA · Accident · No injuries · Class 4 · Limited · Final report · May 12, 2022 · N23FG · Substantial damage > The pilot’s failure to maintain directional control of the airplane during the landing roll. - [NTSB WPR22LA126](https://openairdocs.org/ntsb/WPR22LA126.md): Cessna T210L · Lancaster, CA · Accident · No injuries · Class 4 · Limited · Final report · Mar 14, 2022 · N94001 · Substantial damage > A total loss of engine power due to the pilot’s inadequate fuel management which resulted in fuel starvation and subsequent collision with a fence during landing. - [NTSB WPR22FA004](https://openairdocs.org/ntsb/WPR22FA004.md): Cessna 340A · Santee, CA · Accident · 2 fatal · Class 3 · Field · Final report · Oct 11, 2021 · N7022G · Destroyed > Loss of control due to spatial disorientation. - [NTSB WPR21LA342](https://openairdocs.org/ntsb/WPR21LA342.md): Beech 58 · Palo Alto, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 13, 2021 · N162DF · Substantial damage > The fuelers addition of the incorrect fuel to the fuel tanks which resulted in a total loss of engine power. - [NTSB WPR21LA059](https://openairdocs.org/ntsb/WPR21LA059.md): Cessna TU206 · Twentynine Palms, CA · Accident · No injuries · Class 3 · Limited · Final report · Nov 21, 2020 · N878AH · Substantial damage > The pilot’s decision to takeoff with a known mechanical engine anomaly, and the failure of the No. 2-cylinder exhaust valve, which resulted in a total loss of engine power during the initial climb and subsequent impact with terrain. - [NTSB WPR20LA325](https://openairdocs.org/ntsb/WPR20LA325.md): Cessna T210 · Bridgeport, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 25, 2020 · N300JS · Substantial damage > An inadvertent retraction of the flaps during a go-around by the pilot-rated passenger, which caused the airplane to settle onto the runway with the landing gear retracted. - [NTSB WPR20LA123](https://openairdocs.org/ntsb/WPR20LA123.md): Cessna TU206 · Auburn, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 18, 2020 · N756TH · Destroyed > The total loss of engine power after takeoff due to water contamination of the fuel. - [NTSB WPR20LA101](https://openairdocs.org/ntsb/WPR20LA101.md): Cessna 210 · Needles, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 5, 2020 · N123CE · Substantial damage > A loss of engine power for undetermined reasons due to a lack of available evidence. - [NTSB WPR19LA231](https://openairdocs.org/ntsb/WPR19LA231.md): Cessna P210 · Novato, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 1, 2019 · N234SB · Substantial damage > The pilots’ improper landing flare, which resulted in a hard landing and collapse of the nose landing gear. - [NTSB WPR19LA094](https://openairdocs.org/ntsb/WPR19LA094.md): Cessna 402 · Montague, CA · Accident · No injuries · Class 3 · Limited · Final report · Feb 15, 2019 · N5849C · Substantial damage > The pilot’s failure to maintain directional control while landing on a wet/icy runway. - [NTSB WPR19FA079](https://openairdocs.org/ntsb/WPR19FA079.md): Cessna 414 · Yorba Linda, CA · Accident · 5 fatal · Class 3 · Field · Final report · Feb 3, 2019 · N414RS · Destroyed > The pilot’s failure to maintain airplane control after entering instrument meteorological conditions (IMC) while climbing due to spatial disorientation, which resulted in the exceedance of the airplane’s design stress limits and subsequent in-flight break-up.… - [NTSB WPR19LA039](https://openairdocs.org/ntsb/WPR19LA039.md): Beech 36 · Los Banos, CA · Accident · No injuries · Class 3 · Limited · Final report · Dec 6, 2018 · N361TC · Substantial damage > A partial loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR18LA264](https://openairdocs.org/ntsb/WPR18LA264.md): Cessna T210 · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Sep 15, 2018 · N5340Y · Substantial damage > The 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 WPR18FA219](https://openairdocs.org/ntsb/WPR18FA219.md): Beech A36TC · Sylmar, CA · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2018 · N136RM · Substantial damage > The pilot's failure to maintain airplane control following a total loss of engine power for reasons that could not be determined based on the available information. - [NTSB WPR18FA211](https://openairdocs.org/ntsb/WPR18FA211.md): Cessna 414 · Santa Ana, CA · Accident · 5 fatal · Class 2 · Field · Final report · Aug 5, 2018 · N727RP · Destroyed > The pilot’s failure to maintain adequate airspeed while maneuvering in the traffic pattern which resulted in an aerodynamic stall and subsequent spin at a low altitude, which the pilot was unable to recover from. - [NTSB GAA18CA271](https://openairdocs.org/ntsb/GAA18CA271.md): Cessna P210 · Grass Valley, CA · Accident · No injuries · Data collection · Final report · May 9, 2018 · N210BG · Substantial damage > The pilot’s improper landing flare, which resulted in a long landing and a runway excursion. - [NTSB GAA17CA581](https://openairdocs.org/ntsb/GAA17CA581.md): Cessna 414 · San Jose, CA · Accident · No injuries · Data collection · Final report · Sep 29, 2017 · N1652T · Substantial damage > The pilot’s failure to maintain a proper descent rate, which resulted in a hard landing. - [NTSB WPR17LA204](https://openairdocs.org/ntsb/WPR17LA204.md): Cessna T210N · Watsonville, CA · Accident · No injuries · Class 3 · Limited · Final report · Sep 15, 2017 · N5391A · Substantial damage > The pilot’s improper landing flare, which resulted in a bounced landing and subsequent nose gear separation. - [NTSB WPR17LA172](https://openairdocs.org/ntsb/WPR17LA172.md): Cessna T210F · Llano, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 2017 · N6109R · Substantial damage > A failure of the turbocharger that resulted in complete depletion of the engine oil and catastrophic internal failure of the engine. Contributing to the accident was improper and/or incomplete maintenance and inspection of the turbocharger. - [NTSB GAA17CA423](https://openairdocs.org/ntsb/GAA17CA423.md): Cessna T210L · Yuba City, CA · Accident · No injuries · Data collection · Final report · Jul 7, 2017 · N333GK · Substantial damage > The pilot’s failure to extend the landing gear before landing. - [NTSB WPR17LA090](https://openairdocs.org/ntsb/WPR17LA090.md): Cessna T210N · Banning, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 24, 2017 · N6218Y · Substantial damage > The pilot's improper energy management during an emergency landing approach that was prompted by an engine power loss. The specific reason(s) for the power loss and the improper energy management could not be determined based on available evidence. - [NTSB WPR17IA086](https://openairdocs.org/ntsb/WPR17IA086.md): Beech A36TC · Livermore, CA · Incident · No injuries · Class 3 · Incident · Final report · Apr 10, 2017 · N755R · Minor damage > A mistrim condition while the autopilot was engaged for reasons that could not be determined based on available evidence, and the pilot’s subsequent failure to confirm the command bar status before disengaging the autopilot. Contributing to the accident were… - [NTSB WPR17FA066](https://openairdocs.org/ntsb/WPR17FA066.md): Cessna T310Q · Riverside, CA · Accident · 4 fatal · Field investigation · Final report · Feb 28, 2017 · N1246G · Destroyed > The pilot's failure to maintain airplane control upon entering instrument meteorological conditions, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall. Contributing to the accident was the pilot's personal pressure… - [NTSB WPR16LA066](https://openairdocs.org/ntsb/WPR16LA066.md): Beech B36TC · Santa Barbara, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 9, 2016 · N113TM · Substantial damage > A total loss of engine power during initial climbout for reasons that could not be determined because postaccident examination and testing of the engine did not reveal any mechanical anomalies that would have precluded normal operation. - [NTSB WPR16LA058](https://openairdocs.org/ntsb/WPR16LA058.md): Cessna 340A · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Jan 27, 2016 · N346MC · Substantial damage > Maintenance personnel’s repeated failure to re-rig the main landing gear (MLG) in accordance with the airplane manufacturer's service manual requirements, which resulted in the collapse of the right MLG. - [NTSB GAA16CA065](https://openairdocs.org/ntsb/GAA16CA065.md): Cessna T210N · Avalon, CA · Accident · Minor injuries · Data collection · Final report · Nov 29, 2015 · N99210 · Substantial damage > The pilot's delay in aborting the landing, resulting in a runway overrun and nose over. - [NTSB WPR16LA031](https://openairdocs.org/ntsb/WPR16LA031.md): Cessna 210 · Coalinga, CA · Accident · No injuries · Limited investigation · Final report · Nov 19, 2015 · N9824G · Substantial damage > A partial loss of engine power during takeoff for reasons that could not be determined, because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation. - [NTSB WPR14LA056](https://openairdocs.org/ntsb/WPR14LA056.md): Cessna T210 - F · Oceanside, CA · Accident · No injuries · Limited investigation · Final report · Nov 17, 2013 · N6186R · Substantial damage > The pilot's failure to determine the actual onboard fuel quantity before beginning the flight, which resulted in a complete loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot's habitual reliance solely on the cockpit fuel… - [NTSB WPR13CA413](https://openairdocs.org/ntsb/WPR13CA413.md): Cessna T310R · San Luis Obispo, CA · Accident · No injuries · Data collection · Final report · Sep 16, 2013 · N712SB · Substantial damage > The pilot's inadvertent action of retracting the landing gear instead of the flaps during the landing roll, which resulted in the right main landing gear collapsing. - [NTSB WPR13LA274](https://openairdocs.org/ntsb/WPR13LA274.md): Cessna T210L · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Jun 16, 2013 · N94086 · Substantial damage > A 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 WPR13LA184](https://openairdocs.org/ntsb/WPR13LA184.md): Beech A36TC · Big Bear City, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 6, 2013 · N36SG · Substantial damage > The 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 WPR12LA411](https://openairdocs.org/ntsb/WPR12LA411.md): Cessna A185F · Cambria, CA · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N80SS · Substantial damage > A partial loss of engine power during cruise flight for reasons that could not be determined because the airplane sank in the ocean and was not recovered. - [NTSB WPR12LA414](https://openairdocs.org/ntsb/WPR12LA414.md): Cessna T210N · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Aug 17, 2012 · N6493N · Substantial damage > A partial loss of engine power during the initial climb due to an in-flight fire of undetermined origin. - [NTSB WPR12FA349](https://openairdocs.org/ntsb/WPR12FA349.md): Cessna P210N · Santa Monica, CA · Accident · 1 fatal · Field investigation · Final report · Aug 11, 2012 · N41KA · Substantial damage > The pilot's failure to maintain altitude during a return to the airport following an unspecified emergency; the nature of the emergency could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would… - [NTSB WPR12LA246](https://openairdocs.org/ntsb/WPR12LA246.md): Beech B36TC · Santa Ynez, CA · Accident · No injuries · Limited investigation · Final report · May 27, 2012 · N8234M · Substantial damage > A loss of engine power during initial climb due to fuel starvation. Contributing to the accident were the pilot’s inadequate preflight inspection, his failure to properly diagnose the loss of engine power, and his failure to follow the appropriate emergency… - [NTSB WPR12FA222](https://openairdocs.org/ntsb/WPR12FA222.md): Cessna P210N · Glendale, CA · Accident · Minor injuries · Field investigation · Final report · May 22, 2012 · N732JL · Substantial damage > The partial loss of engine power during descent for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation. Next page: https://openairdocs.org/ntsb.md?engine=17040&state=CA&page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=17040&state=CA --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.