Ok, here is another picture showing all of the vessel without cargo this time.
Regarding thrusters the following;
our J-types (4) are standard fitted with a single bowthruster and two main engines, however two of them are adapted to be used as offshore vessels and are DP2-capable. This meant an additional bowthruster and a sternthruster (azimuth) is installed.
The Jumbo Javelin is offshore-capable and in game we have two engines, a bowthrust and the azimuth thruster at the stern. However during normal sailing (including mooring) it is never used in real live.
Enjou the picture