Question id 249 - Flight performance and planning - EASA Drone Quiz A2

It completely eliminates the noise produced by the propellers
By limiting speed to 3 m/s, it reduces the kinetic energy of a potential impact and gives the pilot more time to react, justifying the reduction of the safety distance from 30m to 5m
It allows the drone to fly indefinitely without draining the battery
It overrides all restricted airspace limitations

Training tests and timed exam simulations EASA Drone Quiz A2