6.1.1 When a graphical representation of own ship
is provided, it should be possible for the user to select either a
scaled ship's outline or a simplified symbol as specified in SN/Circ.243.
The size of the ship's outline or the simplified symbol in the graphical
presentation should be the true scale size of the ship or 6 mm, whichever
is greater.
6.1.2 A heading line, and where appropriate a
velocity vector, should be associated with own ship symbol and should
originate at the position of the consistent common reference point
(CCRP).