NTSB investigations: Rolls-Royce 250-C47B, TX

10 cases on aircraft whose registry engine model is Rolls-Royce 250-C47B. 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

20042026
NTSB investigations: Rolls-Royce 250-C47B, TX per year, 2004–2026: 10 cases
20041
20081
20092
20101
20122
20171
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.\"eventStateOrRegion\" = 'TX' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('54585'))
  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 CEN26LA185Accident · No injuriesClass 3 · LimitedFinal reportBell 407 · Dallas, TXThe pilot’s failure to maintain situational awareness and clearance from the helipad surveillance camera during liftoff.May 13, 2026 · N652AE · Substantial damageNTSB CEN20CA395Accident · No injuriesClass 4 · Data collectionFinal reportBell 407 · Fort Worth, TXThe flight instructor’s delay in rolling the throttle to the fly position during a practice autorotation maneuver that resulted in a hard landing.Sep 15, 2020 · N489DM · Substantial damageNTSB CEN17LA188Accident · No injuriesLimited investigationFinal reportBell 407 · Fort Worth, TXThe flight instructor's failure to prevent the engine/rotor overspeed condition during the demonstration maneuver and the excessive descent rate during the emergency landing, which resulted in a hard landing. Contributing to the engine/rotor overspeed…Jan 24, 2017 · N6040Y · Substantial damageNTSB CEN13CA114Accident · No injuriesData collectionFinal reportBell 407 · McAllen, TXThe pilot’s failure to maintain clearance with a parked helicopter during takeoff.Dec 25, 2012 · N489AE · Substantial damageNTSB CEN12IA518Incident · No injuriesIncident investigationFinal reportBell 407 · San Antonio, TXThe pilot’s failure to maintain clearance from a tower guy wire during the approach to a helipad at night.Aug 5, 2012 · N429PH · Minor damageNTSB OPS10IA132Incident · No injuriesIncident investigationFinal reportBoeing 737-7H4 · Houston, TXThe failure of the local controller to issue control instructions necessary to ensure positive control/standard separation of traffic operating within the Class B airspace.Apr 28, 2010 · N242WN · 2 aircraft · No damageNTSB CEN09CA604Accident · No injuriesData collectionFinal reportBell 407 · Fort Worth, TXFailure of the pilot to maintain control during landing.Sep 23, 2009 · N6040Y · Substantial damageNTSB CEN09CA203Accident · No injuriesData collectionFinal reportBell 407 · Lancaster, TXThe failure of the pilot to maintain adequate main rotor rpm and the failure of the CFI to provide appropriate instruction during the maneuver.Feb 27, 2009 · N2592T · Substantial damageNTSB DEN08FA101Accident · 4 fatalField investigationFinal reportBell 407 · Huntsville, TXThe pilot's failure to identify and arrest the helicopter's descent, which resulted in its impact with terrain. Contributing to the accident was the limited outside visual reference due to the dark night conditions.Jun 8, 2008 · N416PH · DestroyedNTSB FTW04FA097Accident · 4 fatalField investigationFinal reportBell 407 · Pyote, TXThe pilot's inadvertent encounter with adverse weather, which resulted in the pilot failing to maintain terrain clearance. Contributing factors were the dark night conditions, the pilot's inadequate preflight preparation and planning, and the pressure to…Mar 21, 2004 · N502MT · Destroyed