Overview
A sightseeing helicopter experienced a loss of tail rotor effectiveness during flight, leading to a hard landing. The pilot reported that the helicopter began to spin after descending to a low altitude and reducing airspeed. Control could not be regained before the helicopter touched down firmly.
Sequence of Events
According to the pilot's statement, the helicopter was on a sightseeing flight when it descended to a low altitude and decreased airspeed. Shortly thereafter, the pilot reported that the helicopter lost tail rotor effectiveness. The helicopter subsequently began to spin. Despite the pilot's efforts, control was not regained prior to a hard touchdown.
Investigation Findings
The pilot reported that there were no mechanical failures or malfunctions with the helicopter at the time of the accident. No other issues were identified in the initial report.