What is the flag flown at sea?
What is the flag flown at sea? The ensign is the national identification of a ship and hoisted up in a national flag world-wide. They are required to be worn when entering and leaving harbour, when sailing through foreign waters, and when the ship is signalled to do so by a warship.
What do the flags on cruise ships mean?
To find out which flag your cruise ship sails under, look at the flag being flown aboard the ship. While that flag may seem like nothing more than a simple aesthetic touch, it actually represents the country in which the ship is registered and is thus critically important for you and your safety.
What is the Q flag in sailing?
International Code Flag Q is flown when entering most foreign ports or when returning to a U. S. port from a foreign cruise. It signals to customs and immigration officials that you request clearance. Take it down and replace it with courtesy flag after formalities are complete.