The Bat-Submersible (or "Batsub") made its debut in May 1949 in Detective Comics #147. Batman and Robin employed the Bat-Sub in order to net Tiger Shark.
The Batsub (or Bat-Sub) is another fictional watercraft along with the Batboat used by the comic superhero Batman for alternative transportation purposes. In the 1995 film Batman Forever, a version of the Batwing is shown to have a cockpit that can transform into a submersible vehicle should the air vehicle be shot down. This mini submarine does not have armament and is only equipped with a search headlight.
Environment systems include CO2-scrubbers and air-conditioning units in the Bat-Submersible's stern. Oxygen tanks provide up to six hours of breathable air. There are also emergency tanks that allow an added twelve hours of life-support. The life-support includes oxygen/helium mixes for deep-water submersion.
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