The pilot running these gadgets shall not run the controls of the RPAS if you can find reason/factors to believe that the pilot is suffering or very likely to have problems with fatigue or struggling from another situation which might render him/her unfit to conduct his/her duties. A: Survey drones https://change12211.thekatyblog.com/30703303/helping-the-others-realize-the-advantages-of-uav-topographic-mapping-bd