NTSB investigations: Hughes Helicopters HUGHES 369D

12 cases on aircraft the registry lists as Hughes Helicopters HUGHES 369D, where the sequence of events included Loss of engine power (total). 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
NTSB investigations: Hughes Helicopters HUGHES 369D per year, 2008–2026: 12 cases
20081
20093
20101
20111
20122
20132
20141
20151

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.aircraft_model_code IN ('4470706')
      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\" = '341' 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 WPR16LA032Accident · No injuriesLimited investigationFinal reportHughes 369D · Carlisle, WAA total loss of engine power during cruise flight due to fuel exhaustion. Contributing to the accident was the improper calibration of the fuel quantity gauge.Nov 24, 2015 · N50713 · Substantial damageNTSB CEN14LA398Accident · Serious injuriesLimited investigationFinal reportHughes 369D · West Liberty, OHA total loss of engine power, which resulted from fuel exhaustion due to the pilot’s failure to adequately monitor the fuel quantity during the flight.Jul 29, 2014 · N89ZC · Substantial damageNTSB ANC13LA074Accident · No injuriesClass 3 · LimitedFinal reportHughes 500D · Delta Junction, AKA total loss of engine power for undetermined reasons, which necessitated an emergency hovering autorotation, during which the helicopter impacted trees and terrain.Aug 6, 2013 · N134SH · Substantial damageNTSB ERA13LA344Accident · Minor injuriesLimited investigationFinal reportHughes 369D · Center Point, WVA total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.Jul 29, 2013 · N31HM · Substantial damageNTSB CEN13FA075Accident · 1 fatalField investigationFinal reportHughes 369 · Childress, TXThe improper maintenance of the helicopter fuel system that resulted in erroneous fuel gauge indications and the pilot’s inadequate fuel management, both of which resulted in fuel exhaustion during a long-line hover. Also causal was the lack of company…Nov 27, 2012 · N28MP · Substantial damageNTSB ERA12LA260Accident · Minor injuriesLimited investigationFinal reportHughes 369D · McCormick, SCThe pilot's decision to use automotive fuel instead of the approved alternate fuel, which resulted in a total loss of engine power.Mar 30, 2012 · N868W · Substantial damageNTSB WPR12LA022Accident · Minor injuriesLimited investigationFinal reportMcdonnell Douglas 500D · Colusa, CAA total loss of engine power while maneuvering at low altitude for reasons that could not be determined because postaccident examinations did not reveal any anomalies that would have precluded normal operation. Contributing to the accident severity was the…Oct 27, 2011 · N61PJ · Substantial damageNTSB WPR10GA102Accident · Serious injuriesFinal reportHughes 369D · Kooskia, IDA complete loss of engine power due to the failure of the No. 2 bearing, which was precipitated by electrical arcing that occurred at an unknown time prior to the accident flight.Jan 8, 2010 · N500LW · Substantial damageNTSB ERA10LA053Accident · No injuriesLimited investigationFinal reportHughes 369 · Baxley, GAA loss of engine power due to fuel starvation resulting from the pilot’s inadequate preflight inspection of the main fuel valve position.Nov 6, 2009 · N89ZC · Substantial damageNTSB ERA09FA414Accident · 1 fatalField investigationFinal reportHughes 369 · Franklin, PAA loss of engine power due to fuel exhaustion as a result of the pilot's fuel mismanagement.Jul 22, 2009 · N61735 · Substantial damageNTSB ERA09LA317Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Greenville, VAThe inadequate design of the fourth-stage turbine wheel, resulting in the fatigue failure of one airfoil and a subsequent loss of engine power.Jun 2, 2009 · N8356F · Substantial damageNTSB ERA09LA031Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Carroll Township, PAA total loss of engine power due to the improper assembly of the compressor discharge tubes to the combustion liner.Oct 30, 2008 · N606AS · Substantial damage