Happy Ranger, built in 1998, carried 18 LPG tankers in three shipments. The voyage started from Terneuzen, the Netherlands to St Croix, Virgin Islands. It carried eight shipments in two consecutive voyages and the leftover tankers were carried by the Transporter. The big tanks were about 315 mt with a length of 53m and 7m in diameter. Watch the timelapse video of Happy Ranger carrying eight storage tankers crossing the Atlantic Ocean.
Source: BigLift Shipping