NTSB investigations: Robinson Helicopter R44

6 cases on aircraft the registry lists as Robinson Helicopter R44, where the first occurrence was “Loss of engine power”. 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

20002026
NTSB investigations: Robinson Helicopter R44 per year, 2000–2026: 6 cases
20001
20041
20051
20063

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 ('7640120')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 350))
  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 SEA07FA006Accident · 1 fatalField investigationFinal reportRobinson R44 · Sumner, WAThe complete loss of engine power, for undetermined reasons, while on final approach, and the pilot's loss of control of the helicopter after the power loss. Factors include a lake below the final approach to the private landing pad.Oct 8, 2006 · N769RT · Substantial damageNTSB ATL06LA133Accident · No injuriesLimited investigationFinal reportRobinson R44 · Beaufort, NCThe loss of engine power for undetermined reasons.Sep 30, 2006 · N140JM · Substantial damageNTSB DFW06LA141Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · Payne Springs, TXThe loss of engine power for undetermined reasons.May 28, 2006 · N42KJ · Substantial damageNTSB NYC06LA035Accident · No injuriesLimited investigationFinal reportRobinson R44 · Linden, NJA loss of engine power for undetermined reasons.Dec 18, 2005 · N44EK · Substantial damageNTSB MIA04LA061Accident · No injuriesLimited investigationFinal reportRobinson R44 · Ocala, FLThe failure of the pilot to maintain control of the helicopter following a reported loss of engine power after picking up to a hover from a dolly.Mar 17, 2004 · N7194S · Substantial damageNTSB MIA00FA060Accident · No injuriesField investigationFinal reportRobinson R44 · Cayey, PRThe pilot's failure to use carburetor heat as required by the Pilot's Operating Handbook resulting in a loss of engine and rotor rpm, forced landing to none suitable terrain (residence), and subsequent roll over.Jan 3, 2000 · N233MP · Substantial damage