When on board a ship, you may need to describe the position of an object from the ship (e.g. a lighthouse, or another ship). The following are the terms used :

A          Off the Port Quarter

B          Off the Port Beam or Abeam

         Off the Port Bow

D          Astern

E          Ahead

F          Off the Starboard Quarter

G          Off the Starboard Beam or Abeam

H          Off the Starboard Bow

I           Stern

J           Bow