2 standard code flags. N and C
N (November) means No or Negative. When racing it means that the current raced has been abandoned, return to the starting area.
C (Charlie) means Yes or Affirmative. When racing it means the course has been changed
N and C flown together are used as a distress signal (I require immediate assistance)
| Flag | Dimensions | Meaning |
|---|---|---|
| Code C | 450mm x 305mm | Yes or affirmative. Change of course (sailing regatta). |
| Code N | 450mm x 305mm | No or negative. Abandonment and re-sail (sailing regatta). |