The proper submarine/naval term is the Helmsman, who controls the rudder and dive planes.
The 'helmsman' steers a submarine.
a helm or a helms man is a person who steers the boot or submarine
What is a person who steers a desert animal called
Yellow Submarine
helmsman
In ships or ferries, the person who steers is called a helmsman. In relatively small boats, the person that steers the boat is called a skipper.
Helmsman
"Helmsman".
coxswain
If the boat has an oarsman...a Coxswain.
Raymond Steers goes by Steers.
a Dutchmen named Hans Lippershey who invented the submarine in 1608.