New improved ATPL exam preparation, intuitive interface, designed to ensure you pass your theory exams first time. Flexible subscriptions available priced from £10. Suitable for ATPL, CPL and IR exams for both aeroplanes and helicopters. air law, meteorology, general navigation, mass and balance, flight planning, flight instruments, aircraft general knowledge, performance, operational procedures, communications, principles of flight. http://www.atplonline.co.uk.