В канадской инструкции пишут :
The mini-sub is driven by powerful electric thruster propellors which move the sub forward, backwards , up and down. This system makes the sub far more manoeuvrable than traditional ballast tank and propellor submarines, enabling much safer underwater movement.
Technical information Name: IVC CORP Resort Submarine Type: Ambient Pressure Submersible Maximum depth: 130 feet (40 metres) Maximum Speed: 7.5 kph Passengers: 2 passengers and 1 pilot