1. Medal Races Modules
Flags

2. Flags Flag locker Green and white Yellow Blue Red Black
Black and white
Yes
Not in medal races
Wrong event

3. Flags Green and white flag no rule broken did not see (the incident)
umpire disagreement (without contact)

4. Flags Red flag penalty rule broken:
part 2 (only when somebody protested)
rule 31
rule 42
gaining an advantage despite taking a penalty (multiple penalties)
rule 2
not taking a penalty (correctly) when required
umpires disagree on a protested part 2 incident (to all boats with contact)

5. Flags Black flag disqualification rule broken:
rule 28 (without correction)
rule 24.1
maybe: rule 14 (serious damage or injury)
maybe: gaining an advantage despite taking a penalty
maybe: rule 2
after 2 red flags for the same rules breach
align with chief umpire before using black flag