A civil air

ensign An ensign is the national flag flown on a vessel to indicate nationality. The ensign is the largest flag, generally flown at the stern (rear) of the ship while in port. The naval ensign (also known as war ensign), used on warships, may be diffe ...

is a flag (or a variation thereof) which represents

civil aviation Civil aviation is one of two major categories of flying, representing all non-military and non-state aviation, both private and commercial. Most of the countries in the world are members of the International Civil Aviation Organization and work ...

in a country or organization. Typically, it is flown from buildings connected with the administration of civil aviation and it may also be flown by airlines of the appropriate country. A civil air ensign is the equivalent of the

civil ensign A civil ensign is an ensign (maritime flag) used by civilian vessels to denote their nationality. It can be the same or different from the state ensign and the naval ensign (or war ensign). It is also known as the merchant ensign or merchant flag ...

which represents merchant shipping. Not all countries have civil air ensigns and those without usually fly their national flags instead.

List of civil air ensigns

Countries

Organizations

List of former civil air ensigns

References