Final NTSB investigations: Robinson Helicopter R44
186 cases on aircraft the registry lists as Robinson Helicopter R44. 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
| 1993 | 1 |
|---|---|
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 3 |
| 2001 | 3 |
| 2002 | 6 |
| 2003 | 4 |
| 2004 | 7 |
| 2005 | 12 |
| 2006 | 11 |
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 8 |
| 2010 | 8 |
| 2011 | 7 |
| 2012 | 4 |
| 2013 | 3 |
| 2014 | 7 |
| 2015 | 7 |
| 2016 | 6 |
| 2017 | 10 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 12 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 3 |
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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120'))
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."completionStatus" = 'Completed'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120'))
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 CEN26LA260Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Emerson, IAThe failure of the pilot to verify the loading hose had been disconnected before taking off and the failure of the loader to disconnect the fuel hose from the helicopter.NTSB CEN26LA289Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 Raven 1 · Scribner, NEThe pilot's failure to maintain clearance from power lines while maneuvering at low-level altitude during an agricultural operation.NTSB ERA26LA234Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Mayesville, SCThe pilot’s failure to remain clear of a power line during an aerial application flight.NTSB ERA26LA048Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Cookeville, TNThe pilot’s failure to maintain an appropriate decent rate during approach, resulting in a hard landing.NTSB CEN25LA389Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Decatur, TXThe pilot’s loss of control during an off-airport, pinnacle landing, and the flight instructor’s inadequate supervision of the instructional flight.NTSB WPR25LA203Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Park City, UTThe pilot’s failure to maintain rotor rpm during an approach to landing in a mountainous area, which resulted in a collision with terrain.NTSB CEN25LA067Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Galveston, TXThe pilot’s failure to maintain terrain clearance during the takeoff from the helipad in high and gusting wind conditions, that resulted in the right skid extension embedding in the artificial turf, and a subsequent dynamic rollover sequence.NTSB CEN24LA343Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Grand Forks, NDThe student pilot’s failure to maintain helicopter control which resulted in impact with the ground. Contributing to the outcome was the flight instructor’s delayed remedial action.NTSB ANC24LA077Accident · No injuriesClass 3 · LimitedFinal reportRobinson R44 · Honolulu, HIA failure of the flex plate yoke flange assembly due to incorrectly torqued bolts. Contributing was the maintenance personnel’s inadequate inspection of the tail rotor flex plate assembly.NTSB CEN24LA303Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Bryant, IAA loss of engine power during takeoff for reasons that could not be determined, resulting in impact with terrain.NTSB WPR24LA251Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Carlsbad, CAThe pilot’s failure to maintain lateral control of the helicopter while departing with a crosswind, which resulted in a dynamic rollover.NTSB ANC24FA063Accident · 3 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Kekaha, HIAn encounter with turbulence due to downdraft winds that resulted in mast bumping and an in-flight breakup.NTSB ERA24LA166Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Key Biscayne, FLA loss of engine power for reasons that could not be determined.NTSB CEN24LA135Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Knox City, TXThe pilot’s failure to maintain directional control during takeoff, which resulted in a rollover and an impact with terrain.NTSB ERA24LA079Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Daytona Beach, FLThe UAS operator’s failure to operate within the limitations of the COA that he was using to operate inside class C airspace, which resulted in a collision between the UAS and the helicopter.NTSB OPS24LA011Incident · No injuriesClass 4 · LimitedFinal reportDiamond Aircraft Ind DA20-C1 · North Las Vegas, NVThe local controller’s loss of situational awareness, inadequate provision of traffic advisory or safety alert information, and lack of positive control, that resulted in a near-midair collision.NTSB CEN24LA027Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Rowlett, TXA malfunction of the helicopter’s Engine Monitoring Unit (EMU)/Governor Controller for undetermined reasons. Contributing to the accident was the flight instructor’s failure to turn off the EMU/Governor Controller per the emergency checklist when the…NTSB CEN24LA004Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Hochatown, OKA total loss of engine power during a practice autorotation due to the improper engine idle setting and rigging of the carburetor heat control which resulted in a hard landing.NTSB ERA23LA350Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Immokalee, FLThe flight instructor’s inadequate supervision of the student pilot during hover flight, which resulted in main rotor blade contact with the ground after the student pilot applied a sudden control input.NTSB CEN23LA328Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Hanlontown, IAThe pilot’s failure to maintain clearance from a cable during spray operations.NTSB ERA23LA287Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Myrtle Beach, SCThe pilot’s failure to maintain control of the helicopter during a hover taxi, which resulted in a rollover.NTSB CEN23LA219Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Pontiac, MIThe flight crew’s inadequate compensation for gusting wind, and the flight instructor’s delayed remedial action, which resulted in impact with the ground.NTSB CEN23LA130Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · De Kalb, TXThe pilot’s inability to maintain control of the helicopter due to his failure to maintain rotor speed. Contributing to the accident was the failure of the helicopter’s low rotor speed warning system.NTSB CEN23LA086Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Fowlerton, TXThe pilot’s failure to maintain clearance with trees, which resulted in an uncontrollable spin due to tail rotor damage.NTSB ERA23FA070Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Charlotte, NCThe inadequate inspections of the forward left control rod end attachment hardware to the stationary swashplate by the pilot and by maintenance personnel, resulting in an eventual loosening and backing out of the hardware and subsequent loss of helicopter…NTSB WPR23LA041Accident · No injuriesClass 3 · LimitedFinal reportCessna 172M · Las Vegas, NVThe student helicopter pilot’s failure to follow the tower controller’s landing instructions, which resulted in a midair collision.NTSB ERA23LA021Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Daytona Beach, FLThe pilot’s misjudged landing point which resulted in a loss of control and collision with terrain.NTSB WPR22LA363Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Cedar City, UTA partial loss of engine power due to a damaged cylinder intake valve and subsequent collision with terrain during an autorotation.NTSB CEN22LA404Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Beardsley, MNThe pilot’s failure to maintain aircraft control during the approach to land that resulted in an excessive descent rate and impact with terrain.NTSB WPR22LA329Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 Clipper 1 · Deadhorse, AKThe pilot's failure to maintain helicopter control during a descent, which resulted in a collision with terrain.NTSB ERA22LA357Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Leghighton, PAThe pilot’s improper recovery from a bounced landing on a slope, which resulted in dynamic rollover.NTSB CEN22LA234Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Henderson, TXThe partial loss of engine power in a hover due to a stuck exhaust valve.NTSB ERA22LA256Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · North Myrtle Beach, SCThe fractured attachment lug on the forward clutch shaft yoke due to fatigue failure with multiple origins.NTSB ERA22LA168Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Myrtle Beach, SCVibration in the airframe and flight controls for reasons that could not be determined based on the available evidence.NTSB CEN22FA151Accident · 2 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Rowlett, TXA loss of helicopter control while maneuvering, which resulted in main rotor blade contact with the tailboom in flight, tail boom separation, and an uncontrolled descent.NTSB ERA22LA131Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Miami Beach, FLA loss of engine power due to a stuck valve, which resulted in an autorotation and a hard landing in water.NTSB CEN21LA350Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Waukon, IAThe pilot’s failure to maintain adequate clearance from a powerline during an agricultural application pass.NTSB CEN21LA452Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Mineral Point, WIThe pilot’s failure to see and avoid a wire during an aerial application flight, resulting in a collision with the wire.NTSB ERA21FA200Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 · Wingate, NCThe pilot’s failure to maintain clearance from a power line during a low-level aerial application flight, resulting in tail rotor impact with the power line, a loss of control, and subsequent impact with the ground.NTSB ERA21LA191Accident · 1 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 · Forkston, PAThe pilot’s inadequate preflight weather planning, which resulted in an inadvertent encounter with instrument meteorological conditions at night, spatial disorientation, and collision with terrain.NTSB CEN21LA184Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Johnson, KSThe pilot's inadequate pedal application during a transition to hover, which resulted in a loss of yaw control and a subsequent impact with terrain.NTSB CEN21LA155Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 · Dunn, TXThe loss of rotor RPM for reasons that could not be determined based on available evidence.NTSB CEN21LA095Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Morris, ILThe pilot's inadequate pedal application during liftoff with a tailwind, which resulted in a loss of yaw control and a subsequent impact with terrain.NTSB CEN21LA084Accident · 2 fatalClass 3 · LimitedFinal reportRobinson R44 · Colorado City, TXThe pilot’s loss of control and exceedance of performance and/or structural limitations during low-altitude operations, which resulted in an inflight breakup.. Contributing to the accident was the pilot’s impairment from the effects of tetrahydrocannabinol.NTSB WPR21LA021Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson R44 · Pahrump, NVThe pilot’s failure to maintain helicopter control while hovering low over a body a water while facing into the sun, which resulted in a loss of visual reference and subsequent impact with the lake surface.NTSB CEN20CA316Accident · Minor injuriesClass 4 · Data collectionFinal reportRobinson R44 · Hebron, NEA loss of engine power due to water contamination in the fuel system. Contributing to the accident was the pilot’s inadequate preflight to sump the fuel tanks prior to flight.NTSB CEN20CA313Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Dakota, ILThe pilot’s failure to maintain main rotor clearance from a ground obstacle during a landing.NTSB ERA20CA260Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Whitehall, MDThe pilot's failure to maintain adequate clearance from a known obstacle while landing from a hover.NTSB CEN20CA300Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Dickeyville, WIThe pilot did not maintain clearance from wires during an aerial application flight.NTSB CEN20LA286Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson R44 · Welsh, LAA partial loss of engine power while in flight due to corrosion of engine components, which resulted in a loss of control and a subsequent impact with terrain.