Escape and evasion map printed on playing cards distributed to Prisoners of War which could be soaked and pealed apart revealing the escape map. Many of the maps of the Pacific region were printed by the US Army Map Service, while the UK was responsible for many of the European Theatre maps. Many of the US Navy charts were folded in envelopes and distributed to the air crews before a mission, and to be turned in when the mission was successfully completed. They were called "drift charts" by the Navy, "...since their prime purpose was to indicate to aircrews survivors in their life rafts
Pilot licensing in the United Kingdom so—and are independent of any aircraft "type", or "class", "ratings" included in the holder's licence and other ratings required for flying under specified conditions. Currently British glider pilots do not require a CAA-granted licence. Regulation of gliding is through the British Gliding Association and its affiliated clubs. However, from April 2018 they will require a CAA issued LAPL(S) (or the international Sailplane Pilots Licence - SPL) to fly EASA registered sailplanes. The UK NPPL has close links with the gliding community and a gliding licence can be converted. The "UK National Private Pilot Licence" is a restricted form of the