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 CEN23FA125Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Port O'Connor, TXThe pilot’s initiation of the visual flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of helicopter control. Contributing to the accident was the pilot’s flicker vertigo during the flight.NTSB GAA22WA311Accident · 1 fatalClass 5 · ForeignRobinson Helicopter R44 II · Kildare, IrelandNTSB CEN22LA400Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · San Isidro, TXThe pilot’s improper decision to conduct an autorotation with a tailwind, which resulted in a hard landing and substantial damage.NTSB WPR22LA299Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Palmer, AKThe pilot’s failure to maintain lateral control during an off-field landing, which resulted in loss of control and an impact with terrain.NTSB CEN22LA366Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Maynard, IAAn impact with a powerline as a result of an unexpected wind gust.NTSB CEN22LA350Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Marshall, MOThe pilot’s failure to adequately survey a field for obstructions prior to a low-level aerial application pass, which resulted in an impact with a powerline.NTSB CEN22LA345Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Ithaca, NEThe pilot’s failure to maintain clearance from power lines during low level aerial application operations due to a distraction.NTSB WPR22LA267Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Cedar City, UTThe student pilot’s failure to maintain rotor rpm and airspeed and the flight instructor's inadequate remedial action to regain helicopter control during the straight-in autorotation which resulted in a hard landing.NTSB CEN22LA333Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Waterloo, ILThe malfunction of the flight controls for undetermined reasons.NTSB CEN22FA288Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Blackwell, TXThe pilot’s failure to maintain proper altitude and clearance during low-level aerial application, resulting in an in-flight collision with power lines.NTSB WPR22LA220Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Auburn, WAThe student pilot’s loss of helicopter control and the flight instructor’s delayed remedial action while providing hover training which resulted in a dynamic rollover.NTSB ERA22LA236Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Nashua, NHThe flight instructor’s failure to maintain control of the helicopter during the takeoff, which resulted in a dynamic rollover.NTSB WPR22LA157Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Salt Lake City, UTThe student pilot’s failure to maintain lateral control and terrain clearance while hovering, and the flight instructor’s delayed remedial action which resulted in a dynamic rollover.NTSB ERA22LA188Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Calhoun, GAThe pilot’s failure to maintain clearance from wires during takeoff.NTSB WPR22LA132Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Howe, IDThe pilot’s failure to maintain adequate rotor rpm while descending with a gusting tailwind condition, which resulted in a loss of helicopter control.NTSB ERA22LA135Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · White Plains, NYThe pilot’s failure to maintain stabilized lateral control during landing in gusty conditions which resulted in a dynamic rollover when the skids contacted the platform unevenly.NTSB ERA22FA098Accident · 4 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Bronson, FLA loss of control due to spatial disorientation as a result of the noninstrument-rated pilot’s improper decision to attempt a visual flight rules flight at night into an area of known reduced visibility due to fog.NTSB ERA22FA096Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Cosby, TNThe pilot’s intentional, continued flight into instrument meteorological conditions in a helicopter that was not certified for instrument conditions, which resulted in a loss of helicopter control and a collision with trees and terrain.NTSB CEN22LA034Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Fort Davis, TXThe pilot’s encounter of a downdraft from which there was insufficient altitude to recover.NTSB ERA22FA010Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Cornwall, NYThe non-instrument-rated pilot’s continued flight into deteriorating weather conditions, which resulted in a loss of control due to spatial disorientation.NTSB ANC22LA001Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Palmer, AKThe unmanned aircraft pilot’s failure to yield the right of way to the helicopter.NTSB WPR21LA359Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Phoenix, AZThe student pilot's failure to maintain helicopter control while making a clearing turn which resulted in a hard landing.NTSB ERA21LA387Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Miami, FLThe pilot’s loss of helicopter control after landing. Also causal was the pilot’s intentional operation of the helicopter without the required training, experience, and endorsements.NTSB ANC21LA080Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s loss of control while landing on a remote helipad.NTSB ANC21LA079Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s improper preflight planning to ensure adequate power to hover out-of-ground effect while conducting external load operations.NTSB WPR21LA341Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Camp Verde, AZThe pilot's inadequate preflight performance calculations which resulted in an aborted takeoff and collision with trees.NTSB CEN21LA378Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Gonzales, LAThe pilot’s inadvertent collision with a tree while landing at night which resulted in a hard landing.NTSB CEN21LA385Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · New Roads, LAA loss of engine power for reasons that could not be determined due to a lack of available evidence.NTSB CEN21LA369Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Wheeling, ILA partial loss of engine power for reasons that could not be determined based on available information.NTSB CEN21LA349Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Randolph, WIThe pilot’s failure to maintain clearance from power lines during a low-level aerial application flight.NTSB CEN21LA339Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · West Liberty, IAThe pilot’s failure to see and avoid a wire while maneuvering at low altitude during an aerial application flight, resulting in a collision with the wire.NTSB ERA21LA295Accident · 2 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Point Harbor, NCThe noncertificated pilot’s decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation over a large body of water and a high velocity impact with the water. Contributing to the accident…NTSB CEN21FA330Accident · 1 fatalClass 3 · FieldFinal reportRobinson R44 · Elgin, MNThe pilot’s decision to operate the helicopter under powerlines, which resulted in a main rotor blade striking a powerline, causing the helicopter to descend from a low altitude and impact terrain.NTSB ERA21LA292Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Princeton, KYThe pilot’s inadequate preflight planning in that he failed to accurately determine the takeoff weight of the helicopter, which resulted in exceeding the helicopter’s maximum weight capability.NTSB ERA21LA252Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Sylva, NCThe pilot’s intentional departure from the procedures published in the manufacturer’s flight training guide, and his subsequent loss of engine rpm, rotor rpm, and aircraft control.NTSB CEN21LA284Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Reserve, LAA total loss of engine power for undetermined reasons.NTSB CEN21LA173Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Dustin, OKThe pilot’s insufficient monitoring of the helicopter’s power while flying at low altitude and at low airspeed, which resulted in the loss of rotor rpm and impact with a tree and terrain.NTSB GAA21WA047Accident · Minor injuriesClass 5 · ForeignRobinson Helicopter R44 II · Rosh Pinna, IsraelNTSB CEN21LA109Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Albany, TXThe pilot’s inadequate pretakeoff checks which resulted in the magneto switch (key) remaining in the OFF position during the takeoff sequence and initial climb and the right magneto grounding intermittently.NTSB CEN21LA077Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Marietta, TXThe pilot’s failure to see and avoid a transmission wire during takeoff.NTSB ERA21LA046Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Austell, GAThe flight instructor’s failure to maintain adequate clearance above the gravel surface in a hover, which resulted in a dynamic rollover.NTSB CEN21LA021Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Washington, WIThe pilot’s failure to maintain lateral control during a hover and improper recovery action after the helicopter contacted the ground, which resulted in a dynamic rollover sequence and an impact with terrain.NTSB CEN20LA330Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson R44 · Logan, IAThe failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.NTSB ANC20CA068Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Ketchikan, AKThe crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.NTSB WPR20CA197Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Pioche, NVThe pilot’s decision to fly at low level over mountainous terrain and his inability to recover when the helicopter encountered a downdraft that resulted in a collision with terrain.NTSB WPR20LA119Accident · No injuriesClass 3 · LimitedFinal reportRobinson R44 · Hillsboro, ORThe total loss of engine power during takeoff due to the delamination of the fuel servo induction air inlet duct tube.NTSB CEN20LA136Accident · 2 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Audubon, IAThe pilot’s failure to recognize and avoid the power line during the low-altitude flight. Contributing to the accident was the pilot’s fatigue, which affected the pilot’s ability to see and avoid the power line.NTSB CEN20LA442Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Sterling City, TXThe pilot’s failure to maintain clearance from power lines during an aerial application flight.NTSB ANC20CA023Accident · Minor injuriesClass 4 · Data collectionFinal reportRobinson R44 · Talkeetna, AKThe pilot's failure to maintain adequate clearance from snow covered terrain during an en route descent in flat light conditions, which resulted in controlled flight into terrain.NTSB CEN20CA085Accident · No injuriesData collectionFinal reportRobinson R44 · Marfa, TXThe pilot's failure to maintain clearance from a fence during low-altitude maneuvering.