We just learned about the Golf Flag.
Another of the maritime flags is the Hotel Flag, used for the letter H.
It is a flag with left half white and the right half red. It also means "I have a pilot on board".
![h hotel](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0f/ICS_Hotel.svg/480px-ICS_Hotel.svg.png)
(from: wikipedia - international maritime signal flags)
Kid Facts - Blast from the past: Computer Mouse