Vessels Restricted in Their Ability to Manoeuvre
By Night

 

 

 

 

 

 

 

 

 
     
Restricted in Ability to Manoeuvre

Restricted - not making way (plus navigation lights if making way).

Obstruction - e.g dredging - pass on the green side.

Small Boats - can show just these (plus navigation lights if moving).

Constrained by its draft - give room.

Mine Sweeper - Keep away! - 1000 metres plus.