A courtesy flag is a national flag flown by a boat when visiting the waters of another country. It is a traditional sign of respect for the country being visited and an important part of international boating etiquette.
When Should You Fly A Courtesy Flag?
You should generally display the courtesy flag when your vessel enters the territorial waters of another country, particularly when cruising, anchoring, or entering a marina or port.
For example, an American boat visiting Canada would traditionally display the Canadian flag as a courtesy flag. A Canadian boat visiting the United States would display the U.S. flag as a courtesy flag.
Courtesy flags are normally displayed while the vessel is in the waters of the country being visited.
Where Is The Courtesy Flag Flown?
On a sailing vessel, the courtesy flag is traditionally flown from the starboard spreader. On powerboats and other vessels without suitable rigging, it is normally displayed in a prominent position where it can be easily seen.
The exact placement can depend on the type of vessel and local maritime customs.
How Large Should A Courtesy Flag Be?
A courtesy flag should be large enough to be clearly visible but appropriately sized for the vessel. It should also be kept in good condition and flown correctly.
A faded, damaged, or excessively small flag can detract from the respectful tradition behind displaying a courtesy flag.
How Long Should You Fly It?
The courtesy flag is generally flown during the vessel's stay in the country being visited. It should be displayed during the daytime while the vessel is in that country's waters, according to applicable local customs and regulations.
Boaters traveling internationally should check the requirements of the country and port they are visiting because flag etiquette and legal requirements can differ.