NTSB investigations: Hughes Helicopters HUGHES 369D, CA
35 cases on aircraft the registry lists as Hughes Helicopters HUGHES 369D. 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
| 1978 | 3 |
|---|---|
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1985 | 1 |
| 1987 | 3 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1995 | 2 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2014 | 1 |
| 2018 | 1 |
Where
Open the mapLatest 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\" = 'CA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470706'))
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.
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" = 'CA' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470706'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB WPR18LA226Accident · Serious injuriesClass 3 · LimitedFinal reportHughes 369 · Riverside, CAThe instructor’s delayed remedial action to an excessive descent rate during a simulated autorotation, which resulted in a hard landing.NTSB WPR14CA363Accident · Serious injuriesData collectionFinal reportHughes 369D · Willows, CAThe pilot's failure to adequately secure cargo (a jacket), which resulted in the jacket exiting the cabin compartment and colliding with the tail rotor during cruise flight.NTSB 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…NTSB WPR09LA144Accident · Minor injuriesLimited investigationFinal reportMD Helicopter 369D · Trona, CAThe pilot's failure to maintain control while landing in a high density altitude environment due to a loss of tail rotor effectiveness.NTSB SEA07CA139Accident · No injuriesData collectionFinal reportHughes 369D · Torrance, CAThe pilot's loss of helicopter control while maneuvering at low altitude, which resulted in a hard landing. The wind gusts were a contributing factor.NTSB LAX06LA288Accident · 2 fatalLimited investigationFinal reportHughes 369D · Somis, CAThe pilot's inadequate visual lookout, which resulted in a collision with wires.NTSB LAX06LA015Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Avalon, CAthe pilot's failure to maintain an adequate visual lookout and obstacle clearance altitude, which resulted in a collision with power lines. Factors in the accident were the position of the sun relative to the helicopter's flight path, which lessoned the…NTSB LAX01LA305Accident · No injuriesLimited investigationFinal reportHughes 369D · Carlsbad, CAA hard landing due to the dual student's failure to maintain main rotor speed, his improper landing flare, and the flight control interference by the flight instructor.NTSB LAX00FA123Accident · Serious injuriesField investigationFinal reportBoeing 369D · Rough And Ready, CAa loss of engine power due to oil starvation. The oil starvation was due to the seizure and failure of the turbine element oil pump shaft, which was caused by debris from a failed bearing seizing the pump. A factor in the accident was the lack of a suitable…NTSB LAX99LA245Accident · No injuriesLimited investigationFinal reportHughes 369D · Oakdale, CAThe disintegration and failure of the oil pump drive spur gear aft bearing, which resulted in failure of the oil pump and subsequent oil starvation to the engine's turbine module. A factor in the accident was the failure of company maintenance personnel to…NTSB LAX97GA105Accident · 1 fatalFinal reportMcDonnell Douglas 369D · Santee, CASpatial disorientation and temporary visual impairment that led to a loss of aircraft control as result of difficulty to light adaptivity. Contributing was the crew coordination and inadequate night flight recurrency training.NTSB LAX96FA076Accident · 1 fatalField investigationFinal reportHughes 369D · Feather Falls, CAthe pilot's failure to jettison his external load after it came in contact with trees and terrain. The pilot's failure to maintain altitude/clearance above trees and hilly terrain was a related factor.NTSB LAX95FA225Accident · Serious injuriesField investigationFinal reportHughes 369D · Highland, CAthe pilot's failure to verify the security of his passenger's cargo/personal belongings which departed the aircraft striking the tailrotor.NTSB LAX93LA323Accident · Minor injuriesLimited investigationFinal reportHughes 369D · Chico, CAthe observer's failure to properly secure stowed items in the rear compartment prior to takeoff and the resultant foreign object damage to the tail rotor system which precluded the pilot from maintaining directional control.NTSB LAX93LA261Accident · 1 fatalLimited investigationFinal reportMcdonnell Douglas 369D · Half Moon Bay, CAthe pilots failure to maintain an adequate clearance from the light tower and associated electrical power cables. Factors in the accident were; 1) pilot fatigue due to an excessively long duty day, and 2) glare from the lights which affected the pilot's…NTSB LAX93LA057Accident · 2 fatalLimited investigationFinal reportHughes 369B · Fallbrook, CAThat the pilot misjudged the distance of the high tension wires from the helicopter.NTSB LAX93LA044Accident · No injuriesLimited investigationFinal reportHughes 369D · Carlsbad, CAFailure of the overrunning clutch assembly bearing for undetermined reasons.NTSB LAX92GA347Accident · 1 fatalFinal reportHughes 369D · Maxwell, CAThe failure of the pilot to maintain an adequate visual outlook, and failure of the company to provide adequate training. Contributing to the accident was: inadequate company supervision during the operation, and inadequate surveillance by the FAA which…NTSB LAX91LA289Accident · No injuriesLimited investigationFinal reportHughes 369D · Napa, CAThe pilot's failure to maintain the proper altitude. Contributing to the accident was the pilot's improper in flight decision to fly in the below VFR weather conditions and his misjudged weather evaluation.NTSB LAX90LA303Accident · No injuriesLimited investigationFinal reportHughes 369D · Santa Monica, CAThe pilot's decision to exit the helicopter with the engine running and no one at the controls.NTSB LAX90LA033Accident · 1 fatalLimited investigationFinal reportMcDonnell Douglas 369 · Barstow, CAImproper planning/decision by the pilot, and his delay in jettisoning the load.NTSB LAX89LA141Accident · No injuriesLimited investigationFinal reportHughes 369D · Vallejo, CAFatigue failure of a defective pc tube assembly resulting in a loss of engine power. A contributing factor was the unsuitable terrain.NTSB LAX88LA095Accident · No injuriesLimited investigationFinal reportHughes 369D · Rialto, CANTSB LAX88LA025Accident · No injuriesLimited investigationFinal reportMcdonnell Douglas 369D · Borrego Springs, CAThe pilot and three passengers were flying at low altitude over mountainous terrain looking for big horn sheep. Thirty minutes into the flight the pilot heard a loud noise and the tail yawed left. The pilot turned away from the mountain to look for a place to…NTSB LAX87LA140Accident · No injuriesLimited investigationFinal reportHughes 269D · Palmdale, CADuring an external load operation, the engine lost power. The aircraft collided with the terrain and rolled over. Inspection of the engine revealed an overtemperature to the first and second stage turbine wheel airfoils.NTSB LAX87LA099Accident · No injuriesLimited investigationFinal reportHughes 369D · Lemon Cove, CAThe plt rprtd that while at 100 to 150 ft AGL on an apch to land, the eng lost pwr as though it had flamed out. He entered an autorotation, but was unable to reach the helipad. Subsequently, the helicopter landed in trees & was badly dmgd. Drg the…NTSB LAX85LA403Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Porterville, CAAfter climbing to a cruise alt of 13500 ft MSL to cross the sierra Nevada mountains, south of mt whitney, the plt entered cruise flt at an indicated airspeed of aprx 120 to 130 KTS. The plt's flt manual lists 110 KTS as the velocity velocity to never exceed…NTSB LAX82DUM05Accident · Minor injuriesClosedHughes 369 · Winterhaven, CANTSB LAX81DVA27Accident · No injuriesClosedHughes 369D · Madera, CANTSB LAX80DVG39Accident · Minor injuriesClosedHughes 369D · Yountville, CANTSB LAX80FA036CaseClosedHughes 369D · June Lakes, CANTSB OAK79FVD13Accident · Serious injuriesClosedHughes 369D · Mckinleyville, CANTSB LAX79FA020Accident · 1 fatalClosedHughes 500DH · Mecca, CANTSB OAK79FVD01Accident · Serious injuriesClosedHughes 500D · Garberville, CANTSB OAK79DVA02Accident · No injuriesClosedHughes 369D · Clovis, CA