Incident Overview
An airline transport pilot was conducting an on-demand air taxi departure from a remote saltwater bay in a float-equipped airplane. As the airplane accelerated and the floats came on step, they contacted a large wave. The impact bounced the airplane approximately 15 feet into the air. As the airplane descended, a second wave struck the floats.
Post-Event Findings
Following the incident, the operator's maintenance personnel discovered structural damage to longerons adjacent to the airplane's firewall. The damage necessitated replacement of the affected components. The pilot reported that there were no preaccident mechanical problems with the airplane.
Summary
The event involved a floatplane encountering two successive waves during takeoff, resulting in structural damage. No further details about the aircraft, injuries, or other circumstances were provided in the source.