The Passenger Seat is a block featured in Archimedes' Ships. It allows any players besides the driver to ride along in a ship.
Despite the name, the Passenger Seat is beneficial towards the driver and passengers, it allows both to sit while using a ship. The driver does not actually require a Passenger Seat, although any additional players wanting to ride along shall require one.
To use, the player must simply right-click and they shall be instantly placed into the seat locked in position. To exit the Passenger Seat, the player must simply press 'Shift'.