The Amatsu Maru is a 50 ft (70 ft beam) 10,000 ton Japanese tanker sunk during WW2.

Good visibility and easy penetration.

The Amatsu Maru was attacked by aircraft from the Carrier Enterprise on March 30, 31 1944.

Average depth: 27 m / 88.6 ft
Max depth 41 m / 134.5 (where the the giant propeller rests)