NTSB investigations, CA
167 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 8 |
|---|---|
| 2009 | 18 |
| 2010 | 16 |
| 2011 | 12 |
| 2012 | 12 |
| 2013 | 7 |
| 2014 | 14 |
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 13 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 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\" = '342' 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" = '342' 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 WPR26LA073Accident · No injuriesClass 3 · LimitedPreliminary reportEvektor - Aerotechnik A S Sportstar MAX · Needles, CAOn December 27, 2025, about 1109 Pacific standard time, an Evektor-Aerotechnik AS Sportstar Max LSA airplane, N2312T, was substantially damaged when it was involved in an accident near Needles, California. The pilot and pilot rated passenger were not injured.…NTSB WPR26LA060Accident · Minor injuriesClass 3 · LimitedPreliminary reportBeechcraft G36 · Tracy, CAOn December 15, 2025, about 1526 Pacific standard time, a Beechcraft G36, N360FV, was substantially damaged when it was involved in an accident near Tracy, California. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal…NTSB WPR25LA261Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-28-181 · San Diego, CAOn August 16, 2025, about 1737 Pacific daylight time, a Piper PA-28-181, N8150J, was substantially damaged when it was involved in an accident near San Diego, California. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code…NTSB WPR25LA159Accident · Serious injuriesClass 3 · LimitedPreliminary reportNorth American T-28B · Olivehurst, CAOn May 17, 2025, at 1022 Pacific daylight time, a North American T-28B, N28DE, was substantially damaged when it was involved in an accident near Marysville, California. The pilot and passenger were seriously injured. The airplane was operated as a Title 14…NTSB WPR25LA001Accident · Serious injuriesClass 3 · LimitedPreliminary reportCirrus Design SR22 · Bakersfield, CAOn October 2, 2024, about 1347 Pacific daylight time, a Cirrus SR22, N752B, was substantially damaged when it was involved in an accident near Bakersfield, California. The pilot was seriously injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR24FA295Accident · Serious injuriesClass 3 · FieldPreliminary reportPiper PA-24-250 · Hawthorne, CAOn September 6, 2024, at 0036 Pacific daylight time, a Piper PA-24-250, N588CP, was destroyed when it was involved in an accident near Hawthorne, California. The pilot and pilot rated passenger sustained serious injuries. The airplane was operated as a Title…NTSB WPR24LA117Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Acton, CAThe pilots inability to fully turn off the carburetor heat which resulted in a reduction of engine power and reduced climb performance. Contributing to the accident was the pilots delayed recovery from the simulated emergency landing.NTSB WPR23FA299Accident · 2 fatalClass 3 · FieldFinal reportCzech Sport SportCruiser · Van Nuys, CAThe misalignment of the carburetor piston slides, which resulted in a partial loss of engine power, and the flight instructor’s failure to maintain control of the airplane during an emergency landing, leading to an aerodynamic stall and impact with terrain.NTSB WPR23LA262Accident · Serious injuriesClass 4 · LimitedFinal reportBeech P35 · Shelter Cove, CAA partial loss of engine power for reasons that could not be determined because the airplane was not located and recovered.NTSB WPR23FA073Accident · 1 fatalClass 3 · FieldFinal reportCessna 150A · Santa Monica, CAA failure of the No. 1 piston connecting rod bearing journal due to oil starvation for reasons that could not be determined, which resulted in a complete loss of engine power.NTSB WPR22LA351Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172L · Ventura, CAA partial loss of engine power due to the fatigue fracture of the No. 4 exhaust valve.NTSB WPR22LA316Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 150H · Vacaville, CAThe partial loss of engine power due to a stuck exhaust valve.NTSB WPR22LA219Accident · Minor injuriesClass 3 · LimitedFinal reportCessna TR182 · Davis, CAAn in-flight fire during the initial takeoff climb for reasons that could not be determined based on the available evidence.NTSB WPR22LA090Accident · Minor injuriesClass 3 · LimitedFinal reportTextron TTX Inc. T240 · Ravendale, CAThe inadequate maintenance and inspection of the engine induction system, which resulted in the separation of the right induction tube from the turbocharger compressor outlet and the subsequent loss of engine power during departure.NTSB WPR22LA062Accident · No injuriesClass 3 · LimitedFinal reportBeech K35 · Temecula, CAThe total loss of engine power for reasons that could not be determined from the available evidence.NTSB WPR22FA022Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Ukiah, CAA power interruption due to water-contaminated fuel, which resulted in the student pilot aborting the takeoff and landing hard. Contributing to the accident were a leak in the left fuel tank that allowed water to enter and damage to the fuel tank that…NTSB WPR21LA326Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32-300 · Del Mar, CAThe partial loss of engine power for reasons that could not be determined, which resulted in a forced landing on an interstate highway and subsequent collision with vehicles.NTSB WPR21FA272Accident · 4 fatalClass 3 · FieldFinal reportMooney M20J · Dinsmore, CAThe airplane’s degraded engine performance due to wear to the intake cam lobes, which diminished the airplane’s takeoff and climb performance, resulting in a subsequent collision with trees.NTSB WPR21FA223Accident · 1 fatalClass 3 · FieldFinal reportVans RV6 · Porterville, CAA loss of engine power for reasons that could not be determined based on available information.NTSB WPR21LA208Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Hollister, CAThe improper installation of a relief valve spring that was shorter than the standard spring length, which slowed the response of the propeller governor to change the pitch of the blades during climbout, resulting in a partial loss of power.NTSB WPR21LA205Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Ventura, CAThe partial loss of engine power, during cruise flight, due to the formation of carburetor ice, which resulted in a forced landing to an open field where the airplane nosed over.NTSB WPR21LA171Accident · Minor injuriesClass 3 · LimitedFinal reportConsolidated Aeronautics Lake LA-4-200 · Twentynine Palms, CAA partial loss of engine power due to inadequate ignition from cracked spark plugs and a failed magneto.NTSB WPR21LA098Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T182T · Crescent City, CAThe partial loss of engine power due to the failure of both magneto capacitors.NTSB WPR21LA069Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · San Diego, CAA partial loss of engine power due to the fatigue fracture of the No. 3 exhaust valve rocker arm stud.NTSB WPR21LA071Accident · Minor injuriesClass 3 · LimitedFinal reportCo Z Cozy · Compton, CAThe partial loss of engine power due to an improperly installed sparkplug.NTSB WPR21LA052Accident · Minor injuriesClass 3 · LimitedFinal reportBellanca 7GCBC · Fallbrook, CAA partial loss of engine power for reasons that could not be determined with the available evidence.NTSB WPR20LA225Accident · No injuriesClass 3 · LimitedFinal reportVans RV 8 · Grimes, CAA partial loss of engine power for reasons that could not be determined because the airplane was not examined.NTSB WPR20LA212Accident · 2 fatalClass 3 · LimitedFinal reportCessna 172 · Lake Tahoe, CAThe partial loss of engine power due to carbon buildup in the No. 4 cylinder resulting from the pilot’s inadequate mixture-leaning procedures.NTSB WPR20LA148Accident · Serious injuriesClass 3 · LimitedFinal reportAmerican AA-1A · Blythe, CAThe excessive wear of one magneto’s wiring harness, which resulted in a loss of engine power during takeoff. Contributing to the accident was the pilot’s failure to maintain airspeed following the loss of engine power, which resulted in exceedance of the…NTSB WPR20LA136Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Fresno, CAThe partial loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR20LA094Accident · No injuriesClass 3 · LimitedFinal reportErcoupe 415 · Torrance, CAThe partial loss of power due to a malfunction of the throttle cable, which limited movement of the throttle body.NTSB WPR20LA035Accident · No injuriesClass 3 · LimitedFinal reportZenith Stol CH701 · Byron, CAThe pilot/builder's improper construction of the cowling, which resulted in inadequate venting of the engine, its overheating, and a partial loss of engine power.NTSB WPR20LA007Accident · Minor injuriesClass 3 · LimitedFinal reportHiller UH 12E · Susanville, CAA partial loss of engine power due to multiple overtemperature events and a hot start event, which resulted in thermally damaged internal components of the engine. Contributing to the accident was the lack of suitable terrain on which to perform the forced…NTSB WPR19LA233Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 120 · Livermore, CAA partial loss of engine power due to fouled spark plugs in the No. 4 cylinder. Contributing to the accident was the pilot’s exceedance of the airplane’s critical angle of attack and a subsequent loss of control during the initial climb.NTSB WPR19LA176Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Fullerton, CAPartial loss of engine power during takeoff due to an age-degraded carburetor heat valve seal, which detached and partially blocked the carburetor air inlet. Contributing to the accident was an inadequate maintenance inspection.NTSB WPR19LA102Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Placerville, CAThe partial loss of engine power due to an improperly maintained carburetor.NTSB WPR19FA096Accident · 1 fatalClass 3 · FieldFinal reportBeech 50 · Riverside, CAThe pilot’s failure to maintain airspeed and control of the airplane following a loss of right engine power for reasons that could not be determined based on the available information.NTSB WPR19LA039Accident · No injuriesClass 3 · LimitedFinal reportBeech 36 · Los Banos, CAA partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR19LA023Accident · No injuriesClass 3 · LimitedFinal reportVans RV7A · Ramona, CAThe partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR19LA021Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Ontario, CAA partial loss of engine power during descent due to an incorrectly installed carburetor.NTSB WPR19LA003Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Grass Valley, CAA loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel.NTSB WPR19LA002Accident · No injuriesClass 3 · LimitedFinal reportRobinson R44 · Salinas, CAThe partial loss of engine power after takeoff due to faulty wiring to the engine governor.NTSB WPR18LA265Accident · No injuriesClass 3 · LimitedFinal reportSchweizer 300CBi 269C1 · Granada Hills, CAA partial loss of engine power that was the result of a loss of compression in the No. 1 and 4 cylinders due to damage and material separation from the exhaust valve heads, which resulted in a subsequent forced, hard landing. Contributing to the accident was…NTSB WPR18LA233Accident · No injuriesLimited investigationFinal reportBlue Oak CCK-1865 · Deadwood, CAA loss of engine power due to fuel exhaustion and the pilot's failure to ensure that the left-wing fuel cap was secure before flight. Contributing to the accident was the pilot's failure to monitor fuel levels while in flight.NTSB WPR18FA198Accident · 2 fatalField investigationFinal reportRyan Navion · Truckee, CAA loss of engine power for reasons that could not be determined.NTSB WPR18LA196Accident · Minor injuriesClass 3 · LimitedFinal reportCassutt Iiim · Rosamond, CAThe pilot's failure to maintain adequate airspeed during a low-altitude maneuver after a partial loss of engine power, which resulted in exceedance of the airplane’s critical angle of attack and a subsequent accelerated stall. Contributing to the accident was…NTSB WPR18FA150Accident · 2 fatalField investigationFinal reportMorrison Marvin E JR RV 6A · Petaluma, CAA partial loss of engine power during initial climb after takeoff due to a loose left magneto, and the pilot's decision to turn back to the airport and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall/spin and…NTSB WPR18LA034Accident · Serious injuriesClass 2 · LimitedFinal reportCessna 172P · San Jose, CAThe pilot's delayed decision to execute an emergency landing and his attempt to return to the airport following a partial loss of power due to wear on internal engine components, which prevented the engine from developing full-rated power during the…NTSB WPR18LA039Accident · No injuriesClass 3 · LimitedFinal reportCessna 172R · Redding, CAThe fatigue separation of the crankshaft due to a fatigue fracture, which resulted in a total loss of engine power and a subsequent off-airport landing and impact with a fence.NTSB WPR18LA007Accident · No injuriesClass 3 · LimitedFinal reportThomas Stephen Glasair Super II RG · Santa Ynez, CAA partial loss of engine power for reasons that were not determined.