safty

Hi All, Just want to get a consensus on which map people use to determine whether it is safe to fly in a certain location. I use Airmap but when I compare the same location in B4UFly, I get very different warnings and alerts. Which one should I trust? How often do these maps get updated? Is...

Is there any way to limit to MINIMUM flinging altitude? The purpose is to eliminate the possibility of the drone lowering over people by accident.