NTSB ERA24LA042 — 2023-11-18 · Ogdensburg, New York, United States

Current FAA registration · N789GR

Make / Model: ROBINSON HELICOPTER R44 II
Engine: LYCOMING IO-540 SER (300 hp)
Seats / Engines: 4 seats · 1 engine
Last airworthiness date: 20051109
ADS-B equipped: Yes — Mode-S AAB29B

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N789GR ROBINSON HELICOPTER COMPANY R44 II None

Probable cause & findings

The loss of control of the helicopter during taxi, which resulted in rollover.

Factual narrative

The pilot of the helicopter was practicing some maneuvers in the vicinity of his local airport. Upon completion of these maneuvers, while taxiing towards his hangar, the pilot reported that the helicopter began to yaw to the right. The pilot described that he was about a 1 ft above and that once one of the helicopter’s skids contacted the ground, he was unable to regain control and the helicopter rolled over. The helicopter’s fuselage, main rotor blades, and tailboom were substantially damaged. The pilot reported that there were no pre-accident mechanical malfunctions or failures with the helicopter that would have precluded normal operation, nor were any discovered during a postaccident examination of the helicopter by a Federal Aviation Administration inspector. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

FAA avdata. C = Cause, F = Factor.

— Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Yaw control-Not attained/maintained
— Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot

Verbatim from NTSB's published report. Source file NTSB_2023_ERA24LA042.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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Related research

Matched on aircraft type or causal vocabulary (icing, loss of control). All research papers