Final NTSB investigations, CA

55 cases where the sequence of events included Unknown or undetermined.

Cases per year

20092026
Final NTSB investigations, CA per year, 2009–2026: 55 cases
20092
20112
20124
20153
20162
20174
20182
20198
20202
20213
20227
20238
20246
20252

Latest 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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '000' 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.

NTSB WPR25LA212Accident · 1 fatalClass 4 · LimitedFinal reportCessna T240 · San Diego, CAImpact with the ocean for reasons that could not be determined because the pilot and airplane were not located.Jul 13, 2025 · N636CSNTSB WPR25LA082Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172K · Columbia, CAA partial loss of engine power for undetermined reasons.Jan 23, 2025 · N79910 · Substantial damageNTSB WPR25LA039Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA32-300 · Pomona, CAA total loss of engine power during final approach for reasons that could not be determined.Nov 17, 2024 · N617ET · Substantial damageNTSB WPR24FA287Accident · Serious injuriesClass 3 · FieldFinal reportPitts S1 · Santa Paula, CAThe total loss of engine power at low altitude for reasons that could not be determined.Aug 25, 2024 · N42JF · DestroyedNTSB WPR24LA269Accident · No injuriesClass 3 · LimitedFinal reportProtech PT2 · Lodi, CAA reported loss of engine power for reasons that could not be determined.Aug 3, 2024 · N657MJ · Substantial damageNTSB WPR24LA193Accident · No injuriesClass 3 · LimitedFinal reportCessna A185F · Monument Hills, CAA total loss of engine power for reasons that could not be determined.Jun 12, 2024 · N8WF · Substantial damageNTSB WPR24LA160Accident · Minor injuriesClass 3 · LimitedFinal reportSteen Skybolt · Santa Maria, CAA total loss of engine power during approach for reasons that could not be determined.May 26, 2024 · N873X · Substantial damageNTSB WPR24FA073Accident · 4 fatalClass 3 · FieldFinal reportOstroth Thane L Cozy MK IV · Half Moon Bay, CAThe airplane’s impact with the ocean for undetermined reasons after departing into night, instrument meteorological conditions.Jan 15, 2024 · N656TE · DestroyedNTSB WPR24LA046Accident · Serious injuriesClass 3 · LimitedFinal reportCessna P210N · Big Bear, CAA loss of engine power during the initial climb for undetermined reasons, which resulted in an aborted takeoff and runway excursion.Dec 2, 2023 · N7LV · Substantial damageNTSB WPR24LA023Accident · No injuriesClass 3 · LimitedFinal reportVans RV-12 · Novato, CAA partial loss of engine power during initial climb for undetermined reasons.Oct 26, 2023 · N28BS · Substantial damageNTSB WPR23LA341Accident · No injuriesClass 3 · LimitedFinal reportBellanca 7ECA · El Cajon, CAA total loss of engine power for undetermined reasons.Sep 9, 2023 · N57679 · Substantial damageNTSB WPR23LA264Accident · Minor injuriesClass 3 · LimitedFinal reportCessna A185F · La Mesa, CAA total loss of engine power for undetermined reasons.Jul 9, 2023 · N1839R · Substantial damageNTSB WPR23LA249Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Meeks Bay, CAA loss of engine power for reasons that could not be determined based on the available information.Jul 1, 2023 · N4586R · Substantial damageNTSB WPR23FA185Accident · 3 fatalClass 3 · FieldFinal reportGates Lear Jet 36A · San Clemente Island, CAThe pilots’ loss of airplane control following a catastrophic fire that started on the left side of the aft equipment bay (tail cone). The fire likely initiated from a leak from the left fuel motive flow line due to a b-nut that loosened for reasons that…May 10, 2023 · N56PA · DestroyedNTSB WPR23LA121Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-180 · San Andreas, CAA loss of engine power for undetermined reasons.Mar 3, 2023 · N9375J · Substantial damageNTSB WPR23LA098Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210N · Murrieta, CAA 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.Jan 27, 2023 · N4758C · Substantial damageNTSB WPR23FA007Accident · 1 fatalClass 3 · FieldFinal reportCornford Craig H Mustang II · Jamul, CAImpact with mountainous terrain for undetermined reasons due to the limited evidence that could be collected from the accident sceneOct 4, 2022 · N887QR · DestroyedNTSB CEN22FA375Accident · 1 fatalClass 3 · FieldFinal reportSonex Waiex · Maxwell, CAA loss of control in flight for undetermined reasons that resulted in an impact with terrain.Aug 9, 2022 · N51YX · DestroyedNTSB WPR22LA242Accident · No injuriesClass 3 · LimitedFinal reportCessna 120 · San Carlos, CAThe total loss of engine power for undetermined reasons.Jun 28, 2022 · N2056V · Substantial damageNTSB WPR22LA221Accident · No injuriesClass 3 · LimitedFinal reportBell 206B · Stockton, CATail rotor blade impact with an unidentified object, which resulted in the loss of control and subsequent rollover of the helicopter.Jun 17, 2022 · N90326 · Substantial damageNTSB WPR22LA192Accident · 1 fatalClass 3 · LimitedFinal reportMaule MX-7-180C · Willits, CAAn uncommanded descent during a go-around maneuver for undetermined reasons.May 30, 2022 · N1043B · DestroyedNTSB WPR22LA099Accident · No injuriesClass 3 · LimitedFinal reportAeronca 11AC · Napa, CAThe loss of engine power for undetermined reasons, which resulted in an off-airport landing on unimproved terrain.Feb 8, 2022 · N9500E · Substantial damageNTSB ANC22LA014Accident · No injuriesClass 3 · LimitedFinal reportBell 205A-1 · El Cajon, CAA partial loss of engine power for reasons that could not be determined based on the available evidence.Jan 15, 2022 · N502HQ · Substantial damageNTSB 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.Dec 11, 2021 · N654HR · Substantial damageNTSB 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.Aug 24, 2021 · N2843T · Substantial damageNTSB WPR21LA299Accident · No injuriesClass 3 · LimitedFinal reportSchweizer G-164B · Tracy, CAA loss of thrust during a low-level agricultural application flight, which resulted in a descent and impact with terrain. The reason for the loss of thrust could not be determined based on available information.Jul 30, 2021 · N3629F · Substantial damageNTSB WPR20LA320Accident · Serious injuriesClass 3 · LimitedFinal reportGreat Lakes 2T1A · San Diego, CAA loss of engine power for reasons that could not be determined, which resulted in a hard landing off airport.Sep 24, 2020 · N3617L · Substantial damageNTSB 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.Jul 17, 2020 · N508CM · Substantial damageNTSB WPR20FAMS1Accident · 2 fatalClass 3 · Missing aircraftFinal reportPiper PA28R · Shelter Cove, CAUndetermined due to lack of available evidence.Oct 25, 2019 · N4958J · DestroyedNTSB WPR19LA267Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Modesto, CAA total loss of engine power for reasons that could not be determined based on the available information.Sep 28, 2019 · N8353T · DestroyedNTSB WPR19LA228Accident · Serious injuriesClass 3 · LimitedFinal reportHead AX9-118 · Galt, CAA loss of control following an adverse wind encounter.Aug 9, 2019 · N2027S · Minor damageNTSB WPR19FA188Accident · 1 fatalClass 3 · FieldFinal reportRobinson R44 · Hayward, CAThe pilots’ loss of control during a low altitude maneuver for undetermined reasons, which resulted in impact with terrain.Jul 15, 2019 · N144TG · Substantial damageNTSB WPR19FAMS1Accident · 1 fatalMissing aircraftFinal reportCessna 172 · Pescadero, CAImpact with the ocean for reasons that could not be determined because the airplane was not located.Jun 27, 2019 · N3504A · DestroyedNTSB WPR19LA155Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 150 · Garberville, CAA total loss of engine power for reasons that could not be determined based on the available information.May 26, 2019 · N8746S · Substantial damageNTSB GAA19CA284Accident · No injuriesData collectionFinal reportSchweizer 269C · Riverside, CAThe student pilot's failure to maintain yaw control and the engine's rpm during transition to a hover, which resulted in hard landing.May 24, 2019 · N269P · Substantial damageNTSB GAA19CA282Accident · No injuriesData collectionFinal reportCessna 172 · Edwards Air Force Base, CAAn undetermined event, which resulted in substantial damage to the airplane for reasons that could not be determined based on the available evidence.Apr 28, 2019 · N106ED · Substantial damageNTSB 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.Dec 6, 2018 · N361TC · Substantial damageNTSB WPR18FA075Accident · 1 fatalField investigationFinal reportCessna 152 · Concord, CAA loss of control for reasons that could not be determined based on the available information.Jan 29, 2018 · N93316 · Substantial damageNTSB WPR18FA013Accident · 2 fatalField investigationFinal reportFlugzeugproduktions-und Vertri EA 300/L · Four Corners, CACollision with terrain after the pilot was unable to regain airplane control during an aerobatic maneuver. Contributing to the accident was the operator's failure to provide effective internal oversight to identify and prohibit exceedance of the airplanes'…Oct 21, 2017 · N414MT · DestroyedNTSB WPR17LA197Accident · Serious injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Santa Paula, CAA partial loss of engine power during initial climb for reasons that could not be determined based on the available information.Sep 4, 2017 · N75753 · Substantial damageNTSB ANC17FA047Accident · 1 fatalField investigationFinal reportRockwell International S 2R · Calipatria, CAA loss of control for reasons that could not be determined because of the extensive thermal damage from the postcrash fire.Aug 22, 2017 · N5022X · DestroyedNTSB WPR17IA086Incident · No injuriesClass 3 · IncidentFinal reportBeech A36TC · Livermore, CAA 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…Apr 10, 2017 · N755R · Minor damageNTSB WPR17FA013Accident · 2 fatalField investigationFinal reportBeech A36 · Pittsburg, CAA loss of airplane control for reasons that could not be determined due to the extensive impact and fire damage to the airplane.Oct 25, 2016 · N364RM · DestroyedNTSB WPR16FAMS1Accident · 2 fatalMissing aircraftFinal reportCessna 172N · Avalon, CAUndetermined because the airplane was not located.May 28, 2016 · N739ZE · DestroyedNTSB WPR15FA174Accident · 1 fatalField investigationFinal reportPiper PA 22-135 · Livermore, CAA loss of control for reasons that could not be determined, because examination of the airframe and engine revealed no anomalies that would have precluded normal operation.Jun 2, 2015 · N1348C · DestroyedNTSB WPR15LA168Accident · 1 fatalLimited investigationFinal reportHiller UH 12E · Wasco, CAAn in-flight impact with terrain for reasons that could not be determined based on available evidence.May 27, 2015 · N138HA · Substantial damageNTSB GAA15CA018Accident · No injuriesData collectionFinal reportCessna 172S · Camarillo, CAThe pilot involved and the phase of flight when the damage occurred were not determined.Mar 23, 2015 · N2104H · Substantial damageNTSB WPR13FA037Accident · 2 fatalField investigationFinal reportCessna 421C · Shaver Lake, CAThe pilot's failure to regain airplane control following a sudden rapid descent during cruise, which resulted in an in-flight breakup. Contributing to the accident was the pilot's decision to make the flight with a failed vacuum pump, particularly at high…Nov 11, 2012 · N700EM · Substantial damageNTSB WPR12LA417Accident · Minor injuriesLimited investigationFinal reportSeymour Skyranger · Perris, CAA loss of aircraft control during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Sep 13, 2012 · N936LS · Substantial damageNTSB WPR12LA411Accident · No injuriesLimited investigationFinal reportCessna A185F · Cambria, CAA 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.Sep 9, 2012 · N80SS · Substantial damage