This app provides you with an up-to-date questionbank of more than 8.000 ATPL questions (according to EASA, former JAA), 1.800 question für the Chinese ATPL (CAAC) and more than 1.000 question for the GCAA „Air Law and Operational Procedures“ exam (Middle East, e.g. UAE). As special highlight each question of General Navigation (as part of the EASA ATPL package) contains a detailed explanation of the solution. Thus you should not have any difficulties to grasp this challenging subject. -------