To the average person, the idea of an aircraft flying without communicating with air traffic control may seem unimaginable.

FARNBOROUGH—Leonardo is upgrading its M-346 advanced trainer and light-attack aircraft with new cockpit avionics to ensure the platform is ready to train pilots for the next generation of combat ...

LONDON (Reuters) - The development of a "stealth" turbine blade, based on military technology, may help overcome the problem of wind farms interfering with aviation radar systems, its developers said.