Educational and training services, namely, computer education training services, flight training and training in the operation, maintenance and repair of aircraft of all types, training in the operation and maintenance of flight simulators

simulators for training and research in the field of flight training and the operation, maintenance and repair of aircraft of all types comprising computer hardware, computer software, and computer peripherals for simulating flight and terrain conditions

Simulators for training and research in the field of flight training and the operation, [ maintenance and repair of aircraft of all types ] comprising computer hardware, computer software, and computer peripherals for simulating flight and terrain conditions