NTSB investigations: Robinson Helicopter R44, IA

8 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

20172026
NTSB investigations: Robinson Helicopter R44, IA per year, 2017–2026: 8 cases
20171
20191
20211
20231
20241
20263

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.\"eventStateOrRegion\" = 'IA' 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 ('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.

NTSB ANC26LA082Accident · Minor injuriesClass 4 · LimitedInvestigation openRobinson Helicopter R44 · Macedonia, IAAug 9, 2026 · N197HL · Substantial damageNTSB 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.Jul 20, 2026 · N224RH · Substantial damageNTSB CEN26LA259Accident · No injuriesClass 3 · LimitedPreliminary reportRobinson Helicopter R44 · Adair, IAOn July 18, 2026, about 1440 central daylight time, a Robinson Helicopter Company R44, N484AT, was substantially damaged when it was involved in an accident near Adair, Iowa. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal…Jul 18, 2026 · N484AT · Substantial damageNTSB 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.Aug 3, 2024 · N225ML · Substantial damageNTSB CEN23LA328Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 · Hanlontown, IAThe pilot’s failure to maintain clearance from a cable during spray operations.Jul 26, 2023 · N467HA · Substantial damageNTSB 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.Aug 4, 2021 · N775AK · Substantial damageNTSB CEN19LA230Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson R44 · Ida Grove, IAA total loss of engine power during an aerial application flight for undetermined reasons.Jul 21, 2019 · N459TA · Substantial damageNTSB CEN18LA025Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Larchwood, IAThe pilot's loss of situational awareness, which resulted in his failure to maintain adequate clearance from powerlines.Nov 6, 2017 · N7085M · Substantial damage