Working mine sweeper head on.

Motor drive vessel underway.

Motor drive vessel probably over 50m.

Motor driven vessel under 50m. Port aspect.

Motor driven vessel under 50m. Stbd. aspect.

Restricted in ability to manoeuvre Stbd.

Vessel aground. NUC lights plus anchor light.

Anchor light, stern light, dinghy under7m

Sailing vessel port aspect.

B gives way A and alters course to starboard.

B gives way to A and alters course to starboard.

A gives way to B and alters course to starboard.

A is overtaking and gives way to B.

A and B both alter course to starboard.

A gives way to B and alters course to starboard.

A gives way to B who is on starboard tack.

A is overtaking and gives way to B.

B gives way to A who is sailing.