Inland tankers ,started in Rotterdam port beginning 70 where used for feeding large ships /tankers with fuel. Feeding was done with a Tanker-Loading-Boom , STK model TLB.30.6. having a 30 mtr (100ft) boom with a integrated flexible rubber hose of 6 inches, the TLB have the following modes :
1)-Fuel pumping system.
3)-Boom with luffing arrangement from 0-85 degr.
4)-Rotating CW -CCW direction.
5)-HPU or pump on Genset + Control.
Note : A small hoist winch could be mounted to handle the captains car. A ladder can be mounted on top of boom the reach the deck of loadable tanker or ship.