Civil ensign
A civil ensign is an ensign used by civilian vessels to denote their nationality. It can be the same or different from the state ensign and the naval ensign. It is also known as the merchant ensign or merchant flag. Some countries have special civil ensigns for yachts, and even for specific yacht clubs, known as yacht ensigns.
Most countries have only one national flag and ensign for all purposes. In other countries, a distinction is made between the land flag and the civil, state and naval ensigns. The British ensigns, for example, differ from the flag used on land and have different versions of plain and defaced Red and Blue ensigns for civilian and state use, as well as the naval ensign that can also be used by yachts of the Royal Yacht Squadron.
Countries having specific civil ensigns
The civil ensigns that are different from the general national flag can be grouped into a number of categories.Civil ensigns with the national flag in the canton
Several countries use red flags with, in most cases, either the respective national flag or the Union Flag in the canton, patterned after the Red Ensign. British overseas territories fly the plain Red Ensign or a Red Ensign with the respective colonial arms in the fly. Saudi Arabia puts its national flag in the canton of an otherwise-green flag. Ghana stopped using its Red Ensign in 2003 with the adoption of a new merchant shipping act, which made the Ghanaian flag the proper national colors for Ghanaian ships. Similarly, Sri Lanka stopped using its Red Ensign in 1969 and uses the Sri Lankan flag as the civil ensign. Under the relevant shipping law for the Solomon Islands, the Shipping Act 1998,, the national flag of the Solomon Islands and not a Red Ensign is the appropriate flag: "The National Flag of Solomon Islands shall be the national colours for a vessel registered under this Act." Nevertheless, the Solomon Islands Red Ensign is still used in some cases.Sovereign states
British overseas territories and crown dependencies
Source:The Red Ensign Group is a collaboration of United Kingdom shipping registries including British Overseas Territories and Crown dependencies. A ship registered in any country within the Red Ensign group is entitled to fly the Red Ensign, or it can choose to fly the Red Ensign defaced with its home port national colors.