NTSB investigations: Robinson Helicopter R44 II

14 cases on aircraft the registry lists as Robinson Helicopter R44 II, where the sequence of events included Other weather encounter. 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: Robinson Helicopter R44 II per year, 2008–2026: 14 cases
20081
20092
20121
20131
20161
20171
20191
20203
20212
20231

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 ('7640122', '7640123')
      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\" = '400' 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 WPR23LA145Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Elko, NVThe pilot’s failure to maintain sufficient altitude and airspeed in gusting tailwind conditions that resulted in an unrecoverable descent and impact with terrain.Apr 1, 2023 · N462BA · Substantial damageNTSB 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.Nov 10, 2021 · N3027W · Substantial damageNTSB 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.Sep 30, 2021 · N74706 · Substantial damageNTSB 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.Oct 18, 2020 · N31136 · Substantial damageNTSB 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.Jun 28, 2020 · N7530B · Substantial damageNTSB 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.Feb 21, 2020 · N716JL · Substantial damageNTSB GAA19CA195Accident · No injuriesData collectionFinal reportRobinson R44 · Taunton, MAThe pilot's improper decision to land with a gusting left quartering tailwind and his subsequent attempt to reposition the helicopter and take off, which resulted in a dynamic rollover.Apr 2, 2019 · N344R · Substantial damageNTSB CEN17LA219Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Douglas, WYThe pilot's inability to control the helicopter's descent after encountering a sudden wind shift to a tailwind while performing a near maximum gross weight landing at a high density altitude.Jun 9, 2017 · N590GG · Substantial damageNTSB 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.Sep 14, 2016 · N46HF · Substantial damageNTSB 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.Aug 26, 2013 · N744KA · Substantial damageNTSB CEN13FA010Accident · 3 fatalField investigationFinal reportRobinson Helicopter R44 II · Blanco, TXThe pilot's loss of helicopter control as a result of spatial disorientation due to dark night conditions and marginal visual flight rules weather conditions.Oct 12, 2012 · N474FA · Substantial damageNTSB CEN10CA082Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Abilene, TXThe pilot's failure to maintain directional control during the air taxi with shifting winds.Dec 18, 2009 · N442RS · Substantial damageNTSB ANC09LA098Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Central, AKThe pilot’s failure to maintain control of the helicopter after an in-flight encounter with a downdraft while landing. Contributing to the accident was the pilot’s inadequate evaluation of wind conditions.Sep 7, 2009 · N4186Y · Substantial damageNTSB NYC08CA083Accident · Minor injuriesData collectionFinal reportRobinson R44 II · Fenner, NYThe pilot's delayed decision to perform a precautionary landing. Contributing to the accident was the reduced visibility in snow and the soft terrain.Jan 15, 2008 · N122AA · Substantial damage