The book contains the most comprehensive list of all aircraft currently registered in the UK Civil Aircraft Register; this section contains around 20,000 entries, ranging from historic biplanes to the latest commercial aircraft, and also includes balloons, gliders, microlights, and helicopters. In addition, Civil Aircraft Markings contains the latest civil aircraft registers for Ireland, the Channel Islands, and the Isle of Man. Civil aircraft that frequently fly to the United Kingdom from around the world are also listed. It also contains the common flight codes of airlines and the radio frequencies of the most important British airports. Like all its predecessors, the 2026 edition of Civil Aircraft Markings has been completely updated and includes a brand new photo section. Compiled by a renowned British aviation author, the work is eagerly awaited each spring by a large number of aviation enthusiasts and aviation professionals, for whom it is an indispensable reference source.