NTSB investigations, NV

5 cases where the sequence of events included Dynamic rollover.

Cases per year

20122026
NTSB investigations, NV per year, 2012–2026: 5 cases
20121
20161
20171
20191
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\" = 'NV' 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\" = '231' 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 WPR25LA110Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Las Vegas, NVThe pilot’s loss of helicopter control after the door opened during takeoff. Contributing to the accident was the pilot’s failure to confirm that the door was properly closed before departure.Mar 10, 2025 · N44KY · Substantial damageNTSB GAA20CA035Accident · No injuriesData collectionFinal reportRobinson R22 · Overton, NVThe pilot’s failure to maintain a proper approach and the flight instructor's subsequent failure to maintain an adequate climb rate during an attempted go-around in gusting tailwind conditions, which resulted in a hard landing and dynamic rollover.Oct 17, 2019 · N4066S · Substantial damageNTSB GAA17CA132Accident · Minor injuriesData collectionFinal reportBell Helicopter Textron 206 · Carson City, NVThe pilot-in-command’s delayed remedial action to arrest the right yaw after the bounced landing while operating in a flight regime conducive to the loss of tail rotor effectiveness, which resulted in a roll-over.Feb 2, 2017 · N519EH · Substantial damageNTSB WPR16LA069Accident · Minor injuriesLimited investigationFinal reportBell 47G 3B 1 · Carson City, NVThe pilot's failure to maintain sufficient main rotor rpm, which resulted in a loss of helicopter control and a dynamic rollover.Feb 13, 2016 · N1181W · Substantial damageNTSB WPR12CA162Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Henderson, NVThe pilot did not maintain directional and yaw control of the helicopter during approach and landing, which resulted in a dynamic rollover.Apr 9, 2012 · N55NZ · Substantial damage