NTSB investigations, CA

21 cases where the sequence of events included Midair collision.

Cases per year

20082026
NTSB investigations, CA per year, 2008–2026: 21 cases
20082
20093
20111
20121
20131
20141
20151
20162
20192
20202
20222
20231
20241
20251

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.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '250' 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 WPR25LA077Incident · No injuriesClass 4 · LimitedFinal reportBombardier Inc., Canadair CL-215-6B11 · Los Angeles, CAThe NTSB did not determine the probable cause of this event and does not plan to issue a report or open a public docket. The investigation of this event is being conducted under the jurisdiction of the Federal Bureau of Investigation.Jan 9, 2025 · C-GQBE · 2 aircraft · Minor damageNTSB WPR24FA309Accident · 1 fatalClass 3 · FieldFinal reportNanchang China CJ-6A · Lancaster, CAThe CJ-6A pilot’s failure to maintain separation and the Yak pilot’s failure to monitor the other airplane during a detachment, which resulted in a midair collision.Sep 22, 2024 · N313YK · 2 aircraft · Substantial damageNTSB WPR23FA302Accident · 3 fatalClass 3 · FieldFinal reportBell 407 · Cabazon, CAThe Skycrane flight crew’s decision to enter the Fire Traffic Area’s 7-nm NOCOM ring at an altitude significantly above their maximum cleared altitude, which resulted in their need for an aggressive descent into congested airspace and subsequent failure to…Aug 7, 2023 · N555AS · 2 aircraft · Substantial damageNTSB WPR23LA045Accident · No injuriesClass 3 · LimitedFinal reportSikorsky UH-60A · San Diego, CAThe failure of the crewmembers of the second helicopter to maintain visual separation with the first helicopter while complying with the LC controller’s instruction to go around. Contributing to the accident were the nighttime conditions and the lack of a…Nov 23, 2022 · N160AQ · 2 aircraft · Substantial damageNTSB WPR22FA309Accident · 3 fatalClass 3 · FieldFinal reportCessna 152 · Watsonville, CAThe failure of the pilot of the multi-engine airplane to see and avoid the single-engine airplane while performing a straight-in approach for landing.Aug 18, 2022 · N49931 · 2 aircraft · Substantial damageNTSB WPR21LA040Accident · Serious injuriesClass 4 · LimitedFinal reportSchleicher ASW20C · Clayton, CAThe failure of both pilots of each glider to see an avoid one another while maneuvering, which resulted in a mid-air collision.Nov 7, 2020 · N18MA · 2 aircraft · Substantial damageNTSB DCA20IA081Incident · No injuriesClass 3 · IncidentFinal reportAerospatiale AS350BA · Johnson Valley, CAthe failure of the small UAS remote pilot to give way to the helicopter, resulting in an inflight collision. Contributing to the incident was the sUAS remote pilot’s failure to assess and mitigate the risks of operations in close proximity to other aircraft.…Feb 6, 2020 · N611TC · 2 aircraft · Minor damageNTSB DCA20IA034Incident · No injuriesIncident investigationFinal reportAirbus AS 350 B2 · Los Angeles, CAan inflight collision with a hard object of polycarbonate construction, with size and features consistent with that of a small UAS (drone).Dec 5, 2019 · N71HD · 2 aircraft · Minor damageNTSB WPR19FA145Accident · 2 fatalClass 3 · FieldFinal reportGrumman G164 · Pleasant Grove, CAThe failure of both pilots to see and avoid the other airplane, which resulted in a midair collision.May 15, 2019 · N6787K · 2 aircraft · Substantial damageNTSB WPR16FA148Accident · 1 fatalField investigationFinal reportAir Tractor AT 502B · Zamora, CAThe failure of both pilots to maintain an adequate visual lookout, which resulted in a midair collision. Also causal was the other pilot's use of two sedating antihistamines and two impairing medication and the effect of sun glare on his visual lookout, which…Jul 23, 2016 · N502WC · 2 aircraft · Substantial damageNTSB WPR16FA065Accident · 3 fatalField investigationFinal reportBeech M35 · San Pedro, CAThe failure of the pilots of both airplanes to see and avoid each other as they converged nearly head-on, which resulted in a midair collision. Contributing to the accident was sun glare on the pilot.Feb 5, 2016 · N9872R · 2 aircraft · Substantial damageNTSB WPR15MA243Accident · 5 fatalMajor investigationFinal reportCessna 172M · San Diego, CAThe local controller's (LC) failure to properly identify the aircraft in the pattern and to ensure control instructions provided to the intended Cessna on downwind were being performed before turning Eagle1 into its path for landing. Contributing to the LC's…Aug 16, 2015 · N1285U · 2 aircraft · DestroyedNTSB WPR14FA174Accident · 1 fatalField investigationFinal reportCessna 210E · Richmond, CABoth pilots’ failure to maintain adequate clearance from each other during cruise flight while in visual contact with each other. Contributing to the accident was the unexpected abrupt maneuver made by the other pilot.Apr 27, 2014 · N4962U · 2 aircraft · DestroyedNTSB WPR13FA211Accident · 2 fatalClass 3 · FieldFinal reportCessna 172RG · Calabasas, CAThe failure of the pilots in both aircraft to maintain an adequate visual lookout, which resulted in a midair collision.Apr 29, 2013 · N4677V · 2 aircraft · Substantial damageNTSB WPR12LA109Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Antioch, CAThe failure of both pilots to see and avoid each other during cruise flight, which resulted in a midair collision. Contributing to the accident was the failure of air traffic control personnel to issue the helicopter pilot a prompt and appropriate alternate…Feb 20, 2012 · N7508Y · 2 aircraft · Substantial damageNTSB WPR12CA005Accident · No injuriesData collectionFinal reportCombs Dale B RV-4 · Madera, CAThe third airplane pilot’s failure to maintain visual contact with the second airplane during the formation flight.Oct 11, 2011 · N506DC · 2 aircraft · Substantial damageNTSB WPR10FA068Accident · 2 fatalField investigationFinal reportSchleicher ASW-27 · Middletown, CAThe failure of both pilots to see and avoid the other airplane. Contributing to the accident was the pilot's failure to yield right of way to the glider.Nov 28, 2009 · N127AL · 2 aircraft · Substantial damageNTSB WPR09FA248Accident · 3 fatalField investigationFinal reportCessna 172N · Long Beach, CAThe failure of both pilots to see and avoid each other's aircraft.May 19, 2009 · N738NN · 2 aircraft · Substantial damageNTSB WPR09LA228Accident · Serious injuriesLimited investigationFinal reportAyres S2R-T34 · Marysville, CAThe failure of both pilots to see and avoid the other airplane while making their final approach for landing.May 6, 2009 · N40208 · 2 aircraft · Substantial damageNTSB LAX08FA049Accident · 5 fatalField investigationFinal reportCessna 172N · Corona, CAThe failure of both pilots to see and avoid the other airplane.Jan 20, 2008 · N737EJ · 2 aircraft · DestroyedNTSB SEA08LA057Accident · No injuriesLimited investigationFinal reportPiper PA 28-180 · Sonoma, CAThe departing pilot's inadequate visual lookout.Jan 1, 2008 · N8037W · 2 aircraft · Minor damage