Vessels sailing under the Curacao country flag are required to have on board this flag as part of flag state requirements that derive from maritime regulations in the International Code of Signals and the International Safety Management (ISM) Code. These codes are published by the International Maritime Organization (IMO) as an ongoing effort to reinforce maritime safety procedures and communications to the international maritime community. Fleet management companies and ship owners are responsible to ensure that each vessel in their respective fleets have the appropriate flag signage onboard to be in compliance. This flag is used to identify the flag state a vessel is sailing under and to communicate with other vessels under the provisions of the International Code of Signals
The flag of Curacao features a field of blue with a horizontal strip that goes through around the bottom one third point. In the top left hand corner there are two five pointed stars. One of the stars is larger than the other. The Curacao flag was designed in the year 1984. When the country decided that they wanted to create a new flag. They chose to hold a small competition in order to find a new flag. The winning design was made by Martin de Dulk. The blue on the flag is meant to represent both the sea and the sky, while the yellow line represents the sun, which bathes the island in sunshine. The two stars are meant to represents the two islands that compose Curacao as well the ideas of love and happiness. Each star has five points, which represents the five continents of the world that the countries people come from.