the prescribed International F18 course is 2 laps.
Not exactly. Could be 3:
- windward/leeward courses - offset mark (minimum 70° to the wind direction) to be rounded after the windward mark - gate at the leeward mark - 2 or 3 rounds, target time for the first boat to finish : 60 minutes. Longer or shorter actual duration for a race will not be ground for redress.