On course side
Encyclopedia
On course side is a phrase used in sailboat racing
to indicate that a boat has prematurely started the race or did not properly start the race. It is most commonly referred to as a three letter acronym OCS.
Yacht racing
Yacht racing is the sport of competitive yachting.While sailing groups organize the most active and popular competitive yachting, other boating events are also held world-wide: speed motorboat racing; competitive canoeing, kayaking, and rowing; model yachting; and navigational contests Yacht racing...
to indicate that a boat has prematurely started the race or did not properly start the race. It is most commonly referred to as a three letter acronym OCS.