It means that someone is in the water and other boat drivers should be cautious of the person in the water.
it has a boat and a dragon
The Middle of the flag has a round pendant on it representing a boat with a red sail. behind it there is a sun rise, over an ocean. This is the kind of boat that was sent to the french Polynesian islands with explorers.
it is a boat with a red and blue stripes in the backround
LOL, The Jamaican flag doesn't have the color of red on the flag It has black,green and gold.However, the rastafarians have red in their flag.
There is no red on the Irish flag. The Irish flag is green, white and orange.
The red circle on the Japan flag represents the rising red sun
danger
It would depend on which flag you mean
Do you mean red white and green? If so it's the Spanish flag, but a red white and red flag is the Austria flag.
red is for the bloodshed
I don't know I'm only someone who knows nothing about red flagging boats
red flag with white stripe going from upper right to lower right. Flag should be flown when divers are down.