Incident Overview
A float-equipped airplane sustained substantial damage to its left wing after the left float contacted a sand bar during takeoff from a river. The pilot reported that the river was low and sand bars were visible during the landing approach to pick up passengers.
Sequence of Events
The pilot landed the airplane on a river to pick up passengers. During the landing, the pilot observed that the water level was low, exposing sand bars. After boarding, the pilot initiated takeoff. During the takeoff run, the left float made contact with a sand bar in shallow water. The impact caused the airplane to veer and subsequently impact the river bank.
Damage Assessment
The accident resulted in substantial damage to the left wing. The pilot reported no preaccident mechanical failures or malfunctions that would have precluded normal operation.
Pilot Report
According to the pilot, the airplane was operating normally before the event. The pilot's observation of low water and visible sand bars was noted before the takeoff attempt.