NTSB investigations: Rolls-Royce 250-C20B

6 cases on aircraft whose registry engine model is Rolls-Royce 250-C20B, where the defining event was Miscellaneous/other. 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

20102026
NTSB investigations: Rolls-Royce 250-C20B per year, 2010–2026: 6 cases
20102
20161
20181
20201
20261

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54385')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '900'))
  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 CEN26LA264Accident · Serious injuriesClass 4 · LimitedInvestigation openBell 206B · Saint Joseph, ILJul 17, 2026 · N297CA · Substantial damageNTSB CEN20CA334Accident · No injuriesClass 4 · Data collectionFinal reportHughes 369 · Delia, KSForeign object damage sustained to the main rotor blades due to aerial tree trimming.Aug 5, 2020 · N104SU · Substantial damageNTSB CEN18LA121Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Blair, WIThe pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.Mar 7, 2018 · N499SL · No damageNTSB GAA16CA480Accident · No injuriesData collectionFinal reportHughes 369 · Peach Orchard, MOThe helicopter pilot’s failure to maintain sufficient separation between the main rotor blade and a power line during line guard installation, which resulted in an electrical arc to the main rotor.Sep 9, 2016 · N500TN · Substantial damageNTSB ERA10CA367Accident · No injuriesData collectionFinal reportBell 206 · Roseville, PAThe pilot's failure to maintain clearance from a known wire hazard.Jul 19, 2010 · N302MG · Substantial damageNTSB CEN10CA246Accident · No injuriesData collectionFinal reportCarlesimo Glasair III T · Lynwood, ILA loss of engine power due to fuel starvation as a result of the pilot's failure to follow the pre-landing checklist and verifying the position of the fuel selector.May 7, 2010 · N713MJ · Substantial damage