“Hang on, Coach!” he shouted. “This is going to hurt.”
“I was born for hurt!”
WHOOM! A swell of salt water washed over the bow, dousing Coach Hedge. The Argo II listed dangerously to starboard, then righted itself and rocked on the surface of the lake. Machinery hummed as the aerial blades that were still working changed to nautical form.
Three banks of robotic oars dipped into the water and began moving them forward.

The Mark of Athena, Chapter V