The pilot operating these kinds of equipment shall not operate the controls of an RPAS if there are actually cause/reasons to think that the pilot is suffering or prone to are afflicted with tiredness or suffering from some other ailment which would render him/her unfit to perform his/her duties. SGS https://gregorylwgdp.win-blog.com/12135472/getting-my-uav-topographic-mapping-bd-to-work