NTSB investigations: Robinson Helicopter R44 II
291 cases on aircraft the registry lists as Robinson Helicopter R44 II. 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.
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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 ('7640122', '7640123'))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640122', '7640123'))
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 ERA17LA163Accident · No injuriesLimited investigationFinal reportRobinson R44 · Orlando, FLA partial failure of the helicopter's engine tachometer due to the separation of one of the magnet assemblies and engine roughness, which precipitated the pilot’s initiation of an off-airport autorotation, during which he applied improper aft cyclic flight…NTSB GAA17CA165Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Spofford, TXThe pilot's decision to hover-taxi out of the hangar and his subsequent failure to maintain clearance from the hangar.NTSB WPR17LA043Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Mt. Baldy, CAThe pilot's failure to maintain main rotor speed during a low orbiting approach over a confined mountainous area. Contributing to the accident was the pilot's decision to attempt to land in an area that did not allow for a safe exit path under conditions near…NTSB GAA17CA070Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Stone Lake, WIThe pilot’s failure to maintain lateral control while in a hover and the helicopter’s subsequent impact with a tree.NTSB GAA16CA488Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Cedar City, UTThe flight instructor’s delayed remedial action while providing hover instruction in gusting wind conditions, which resulted in dynamic roll-over.NTSB WPR16LA168Accident · No injuriesLimited investigationFinal reportRobinson R44 · Kailua/Kona, HIAn on-ground upset for reasons that could not be determined because postaccident examination of the helicopter revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation.NTSB WPR16LA165Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Gunnison, UTA total loss of engine power for reasons that could not be determined based on the available evidence.NTSB ANC16CA051Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Homer, AKAn in-flight collision with a bird resulting in damage to a tail rotor blade, which required replacement.NTSB CEN16FA215Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Jonesboro, ARThe pilot's failure to maintain helicopter control during takeoff. Contributing to the accident was the pilot's impairment due to his combined use of alcohol and diphenhydramine, which led to his improper decision to fly after drinking alcohol and degraded…NTSB GAA16CA297Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Chireno, TXThe student pilot's selection of unsuitable terrain for landing, which resulted in the helicopter rolling over during landing, and substantial damage to the tail boom.NTSB CEN16WA149Accident · Serious injuriesForeign investigationRobinson Helicopter R44 II · Atemajac de Brizuela, MexicoOn April 2, 2015, about 2120 universal coordinated time, a Robinson Helicopter Company R44 II helicopter, N565AC, impacted terrain near Atemajac de Brizuela, Mexico. The pilot and two passengers were uninjured and one passenger sustained a serious injury. The…NTSB GAA16CA160Accident · Minor injuriesData collectionFinal reportRobinson R44 · Oak Island, NCThe student pilot's failure to maintain a stabilized hover, resulting in a loss of control and an impact with terrain.NTSB ANC16IA013Incident · No injuriesIncident investigationFinal reportRobinson Helicopter R44 II · Anchorage, AKThe overhaul facility's improper and excessive use of an approved lubricant during overhaul of the fuel injection servo, which resulted in a disruption of fuel flow and a total loss of engine power.NTSB ANC16LA010Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Valdez, AKThe overhaul facility’s improper and excessive use of an approved lubricant during overhaul of the fuel injection servo, which resulted in a disruption of fuel flow and a total loss of engine power.NTSB ERA16LA054Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Destin, FLThe overstress fracture between the tail rotor driveshaft and intermediate flex plate for reasons that could not be determined based on the available evidence.NTSB CEN16LA039Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Alpine, TXThe pilot’s failure to maintain adequate rotor speed while maneuvering at low altitude, which resulted in a descent from which he was unable to recover. Contributing to the accident was the pilot's decision to conduct the flight at or near the helicopter's…NTSB GAA16CA009Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Ketchikan, AKThe pilot's failure to maintain directional control during the engine start sequence, which resulted in the helicopter sliding on a steel deck and impacting a crane. Contributing to the accident was the absence of traction material on the helicopter…NTSB GAA16CA006Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Devine, TXThe pilot's failure to maintain obstacle clearance during the takeoff, which resulted in the helicopter striking power lines.NTSB CEN15LA439Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Alice, TXA loss of engine power during a practice power recovery autorotation for reasons that could not be determined based on the available information.NTSB CEN15LA387Accident · Serious injuriesLimited investigationFinal reportRobinson R44 II · Cheyenne, WYThe pilot's improper preflight performance planning, which resulted in a hard landing due to low rotor rpm while operating near maximum gross weight in high density altitude conditions.NTSB CEN15LA375Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Carlos, TXThe pilot’s improper decision to turn the helicopter toward a tailwind during an out-of-ground-effect hover, which resulted in a loss of tail rotor effectiveness. Contributing to the accident was the accident and lead pilots’ inadequate preflight risk…NTSB GAA15CA232Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Prairie Lea, TXThe pilot's failure to maintain rotor rpm, resulting in an uncontrolled descent and collision with trees.NTSB GAA15CA196Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Forest City, SDThe pilot's failure to monitor the flight environment for adequate terrain/obstacle clearance during takeoff, which resulted in the inflight collision with power transmission line wires.NTSB CEN15LA285Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Danville, ARThe loss of engine power for reasons that could not be determined based on the available information.NTSB CEN15LA231Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Columbia, ILA total loss of engine power while maneuvering at low altitude for reasons that could not be determined during postaccident examination.NTSB CEN15LA198Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Dunlap, ILA loss of main rotor rpm for reasons that could not be determined during postaccident examinations.NTSB ERA15FA164Accident · 3 fatalField investigationFinal reportRobinson Helicopter R44 II · Orlando, FLAn inflight loss of control due to the likely detachment of the forward left servo control tube upper rod end attachment bolt.NTSB ERA15CA089Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Barranquitas, PRThe pilot's failure to maintain control of the helicopter while landing which resulted in a tailrotor ground strike and collision with terrain.NTSB CEN15CA093Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Horseshoe Bay, TXThe helicopter's contact with the landing pad during a rejected landing.NTSB WPR15FA051Accident · 2 fatalField investigationFinal reportRobinson Helicopter R44 · Bountiful, UTThe pilot/mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and a subsequent loss of control.NTSB ERA15FA025Accident · 3 fatalField investigationFinal reportCirrus Design SR22 · Frederick, MDThe failure of the helicopter pilots and the airplane pilot to maintain an adequate visual lookout for known traffic in the traffic pattern, which resulted in a midair collision. Contributing to the accident were the airplane pilot's descent below the…NTSB CEN14LA487Accident · 1 fatalLimited investigationFinal reportRobinson Helicopter R44 II · Macedonia, IAThe pilot’s inadequate visual lookout, which resulted in a collision with a static line.NTSB WPR14LA353Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Pahrump, NVA total loss of engine power during a practice autorotation 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.NTSB WPR14CA325Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Honolulu, HIThe pilot's inadequate compensation for the wind conditions and failure to maintain aircraft control during taxi, which resulted in a loss of tail rotor effectiveness and subsequent impact with the taxiway and a parked fuel truck.NTSB WPR14CA270Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Quincy, WAThe pilot's failure to maintain clearance from a wind generator tower while drying cherries, which resulted in a loss of aircraft control and subsequent hard landing.NTSB ERA14LA311Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Nashville, TNThe pilot’s failure to maintain rotor rpm during an autorotation after a perceived partial loss of power, which resulted in a hard landing. Contributing to the accident was radio frequency interference with the governor controller, which resulted in an…NTSB ANC14CA042Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Coldfoot, AKThe pilot's failure to maintain adequate main rotor rpm while maneuvering at a low altitude, which resulted in an emergency landing on uneven terrain.NTSB ANC14FA030Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Chugiak, AKThe pilot's loss of control of the helicopter due to impairment or incapacitation from a sudden, acute cardiac event.NTSB CEN14CA223Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Liberty, MOThe pilot's failure to maintain directional control while operating in gusty wind conditions at a low altitude.NTSB CEN14LA197Accident · No injuriesLimited investigationFinal reportRobinson R44 - II · Menard, TXThe pilot’s inadequate recovery from a practice autorotation, which resulted in an improper touchdown attitude and collision with terrain.NTSB CEN14LA149Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Presidio, TXThe pilot’s failure to maintain sufficient rotor rpm when transitioning the helicopter from a hover to forward flight, which resulted in a loss of helicopter control.NTSB CEN14CA142Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Bonham, TXThe pilot's inadequate recovery from a loss of tail rotor effectiveness during a low altitude downwind hover in a gusty wind condition resulting in the helicopter contacting the ground and rolling over.NTSB ERA14FA115Accident · 2 fatalField investigationFinal reportRobinson Helicopter R44 II · Panacea, FLThe pilot’s failure to maintain adequate clearance from trees during a takeoff at night. Contributing to the accident was the pilot’s lack of recent night flight experience.NTSB ERA14CA055Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Tunica, MSThe student pilot's failure to maintain control of the helicopter during the attempted takeoff, and the flight instructor's inadequate supervision of the student pilot.NTSB WPR14CA019Accident · No injuriesData collectionFinal reportRobinson R44 - II · Sedro Woolley, WAThe non-instrument rated pilot's inadvertent encounter with instrument meteorological conditions during initial climb and his improper decision to continue flight, which resulted in an in-flight impact with a tree and an emergency descent that resulted in a…NTSB WPR13CA424Accident · Minor injuriesData collectionFinal reportRobinson R44 - II · Flagstaff, AZThe pilot's failure to maintain rotor rpm while landing in a gusty wind at a high density altitude.NTSB CEN13FA517Accident · 3 fatalField investigationFinal reportRobinson R44 II · Caballo, NMThe pilot’s failure to see and avoid power lines while maneuvering near the ground because dust stirred up by the rotor wash obscured his visibility.NTSB CEN13LA507Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Clayton, NMThe pilot's loss of vertical control after the helicopter encountered a gusty tailwind while maneuvering at a low altitude and near the helicopter's maximum gross weight.NTSB WPR13FA343Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Thompson Falls, MTThe pilot's failure to maintain helicopter control while operating in conditions conducive to a loss of tail rotor effectiveness.NTSB WPR13CA354Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · The Dalles, ORThe pilot's failure to see and avoid wires while maneuvering at a low-altitude, which resulted in the main rotor blades striking the wires.