Fatal NTSB investigations: Rolls-Royce 250-C300/A1

8 cases on aircraft whose registry engine model is Rolls-Royce 250-C300/A1. 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

20132026
Fatal NTSB investigations: Rolls-Royce 250-C300/A1 per year, 2013–2026: 8 cases
20131
20202
20212
20253

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54232'))
  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 WPR26FA031Accident · 4 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R66 · Ekalaka, MTOn October 22, 2025, about 1830 mountain daylight time, a Robinson Helicopter Co. R66, N67GA, was substantially damaged when it was involved in an accident near Ekalaka, Montana. The pilot and 3 passengers were fatally injured. The helicopter was operated as…Oct 23, 2025 · N67GA · Substantial damageNTSB CEN25FA367Accident · 2 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R66 · Lakeville, MNOn September 6, 2025, about 1442 central daylight time, a Robinson Helicopter Company R66 helicopter, N6633L was destroyed when it was involved in an accident near Lakeville, Minnesota. The pilot and passenger were fatally injured. The helicopter was operated…Sep 6, 2025 · N6633L · DestroyedNTSB ANC25FA044Accident · 2 fatalClass 3 · FieldPreliminary reportRobinson Helicopter R66 · Kaparuk, AKOn June 4, 2025 about 1055 Alaska daylight time, a Robinson R66 turbine-powered helicopter, N962MD, was substantially damaged when it was involved in an accident near Kaparuk, Alaska. The pilot and passenger were fatally injured. The helicopter was operated…Jun 4, 2025 · N962MD · Substantial damageNTSB WPR21FA300Accident · 4 fatalClass 3 · FieldFinal reportRobinson Helicopter R66 · Colusa, CAThe pilot’s abrupt flight control input that led to mast bumping and a subsequent in-flight breakup.Aug 1, 2021 · N7000J · DestroyedNTSB ANC21LA020Accident · 1 fatalClass 3 · LimitedFinal reportRobinson Helicopter R66 · Kodiak, AKAn impact with ocean waters for reasons that could not be determined based on the available information.Mar 3, 2021 · N1767 · DestroyedNTSB ERA20LA220Accident · 1 fatalClass 3 · LimitedFinal reportRobinson R66 · Pikeville, NCThe pilot’s failure to see and avoid a small diameter wire during low altitude agricultural spraying operations. Contributing to the accident was the pilot’s insufficient property survey.Jun 18, 2020 · N4QW · Substantial damageNTSB ERA20FA074Accident · 2 fatalClass 3 · FieldFinal reportRobinson R66 · Mechanicsburg, PAA severe left roll excursion after the onset of pitch and roll oscillations, which were not arrested by the pilot for undetermined reasons. This resulted in main rotor blade contact with the airframe and a subsequent inflight breakup of the helicopter.Jan 10, 2020 · N450MC · DestroyedNTSB ERA13FA336Accident · 5 fatalField investigationFinal reportRobinson R66 · Noxen, PAThe pilot's decision to continue VFR flight into night instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.Jul 28, 2013 · N646AG · Destroyed