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Fatal NTSB investigations: Robinson Helicopter R44 II

6 cases on aircraft the registry lists as Robinson Helicopter R44 II, where the sequence of events included VFR encounter with IMC. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20082026

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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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640122', '7640123')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '401' 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 CEN25FA183Accident · 1 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R44 II · Miami, TXOn May 23, 2025, about 0718 central daylight time, a Robinson Helicopter Company R44 II helicopter, N1195P, was destroyed when it was involved in an accident near Miami, Texas. The student pilot was fatally injured. The helicopter was operated as a Title 14…May 23, 2025 · N1195P · DestroyedNTSB CEN23FA142Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Port Allen, LAThe pilot’s decision to continue the visual flight rules flight into deteriorating weather conditions, which resulted in spatial disorientation and the loss of aircraft control.Mar 26, 2023 · N441PD · DestroyedNTSB ERA22FA096Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Cosby, TNThe pilot’s intentional, continued flight into instrument meteorological conditions in a helicopter that was not certified for instrument conditions, which resulted in a loss of helicopter control and a collision with trees and terrain.Dec 29, 2021 · N544SC · Substantial damageNTSB ERA21LA295Accident · 2 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Point Harbor, NCThe noncertificated pilot’s decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation over a large body of water and a high velocity impact with the water. Contributing to the accident…Jul 19, 2021 · N4529J · DestroyedNTSB WPR19FA148Accident · 2 fatalClass 3 · FieldFinal reportRobinson R44 · Alpine, UTThe noninstrument-rated pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent loss of control. Contributing to the accident was hypoxia due to the high altitude at which…May 17, 2019 · N744TW · Substantial damageNTSB CHI08FA293Accident · 2 fatalField investigationFinal reportRobinson R44 II · Kenosha, WIThe pilots failure to maintain clearance from terrain resulting in an in-flight collision with a house. Contributing to the accident was the night instrument meteorological conditions (IMC) and the pilot's lack of experience of flying in IMC.Sep 21, 2008 · N999ZD · Destroyed