Dabrain
Well-Known Member
I do exactly what Msinger said, go vertical until I can see above everything 360 degrees then add 50'/15.24m (lol)
All heights are relative to take off spot. So flying off a mountain or cliff can very easily give you a negative reading for height.I just received my Mavic pro and am very excited to use it but before I do I have a question regarding the RTH feature. I enjoy hiking and would be using the drone when I reach the peak of a hike and it is on top of a mountain. If I set the RTH height to 60 M is that 60 from take off spot (top of mountain) or if I fly in down in between the mountains is it 60 M from the ground.
Thanks in advance.
I have my one set to RTH at 30 metres, but I only use it when I think there's a need.
Every flight and location is different, so RTH height assessment should be part of any good plan at the start of the pre flight set up.
Another way to think about it -- when RTH is initiated, the Mavic will ascend from the current altitude displayed in DJI GO to the RTH altitude (if the current altitude is below the RTH altitude).If I set the RTH height to 60 M is that 60 from take off spot (top of mountain) or if I fly in down in between the mountains is it 60 M from the ground.
Another way to think about it -- when RTH is initiated, the Mavic will ascend from the current altitude displayed in DJI GO to the RTH altitude (if the current altitude is below the RTH altitude).
Yes.the Mavic will maintain the current altitude if is above the RTH altitude until landing ... Am I correct ?
At this point (7 flights in my log) I don't have a default height. I may eventually choose a default environment, a place where I usually fly. But we live in a fairly heavily timbered area, with several hundred feet and more of terrain elevations. The last thing I want my "smart" drone to do is to decide on its own to default-climb into a tree canopy or to fly into terrain while heading for home. RTH height and behavior are things I check before every liftoff, even (or especially) for flights around the yard. Sometimes I choose "hover" as a loss-of-signal behavior.I do exactly what Msinger said, go vertical until I can see above everything 360 degrees then add 50'/15.24m (lol)
Another way to think about it -- when RTH is initiated, the Mavic will ascend from the current altitude displayed in DJI GO to the RTH altitude (if the current altitude is below the RTH altitude).
So that question had been bothering for some time. Thanks for clarifying it.
Is this correct to assume?
If I am on a hill, say 400 ft above ground level and set my RTH to 300ft then fly my Mavic to a valley below the hill to altitude -300 feet from my take off position. If RTH is engaged for whatever reason, the Mavic will ascend to 700 ft from ground level then start moving towards “home” or take of position, right?
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