D2.4
Signalling an Umpire Decision
An umpire shall signal a decision with one long sound and the display of a flag as follows:
- (a) For no penalty, a green and white flag.
- (b) To penalize one or more boats, a red flag. The umpire shall hail or signal to identify each boat penalized.
- (c) To report the incident to the protest committee, a black and white flag.