A pilot crash-landed into the sea off Pembrokeshire after an engine failure to avoid hitting people on the crowded beach.
A report into the incident last September said an examination of the engine did not conclusively determine the cause of its failure.
The 53-year-old was pulled from the aircraft at Whitesands Bay. The St Davids Beach is a hotspot for families and surfers.
The pilot escaped with minor injuries.
The experienced pilot - who had 339 hours of flying time under his belt - had recently received coaching on conducting forced landings.