JJBspark
Core User of DJI
Flight distance : 12225059 ft
Netherlands
Offline
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hallmark007 Posted at 2018-8-22 12:21
That’s not correct, if your flying into a cave with weak gps and downward vision is active then you are within 36 ft of the bottom of cave max, so you will have plenty of height available to climb back out, ie if you lower aircraft to minus 36ft then you can climb to 5 metres above 36 ft, if downward vision is not available and you have weak gps you can climb to 30 metres above take off. So you should never be in a position where you cannot climb higher than take off position.
Ofcourse its correct what i was saying! ( if 5 meters equals 16 feet... ) Must be my bad english or your 'wrong' interpretation.
In GPS mode you can fly down and down and up and up.
Weak GPS into OPTI mode means you can fly higher upto ** feet from the ref height, the takeoff height that is. That is not what Toby told us what happend.manual data
** 16 feet max with weak GPS and downward vison activated
** 98 feet max with weak GPS and downward vision not activated
So its strange what happend and i hope to see that flightlog.
If this drone had landed (bad idea but some do) 600 meters lower than takeoff point, the normal height limit (user value, OP case 500 meter i guess) limit is refreshed and referenced form that new position. That why i asked to get the picture what have happened.
So its a strange puzzle ; JPPR flew down into a cave (in GPS mode i guess), down to about 600 meters, no landing ect, and flying upward to 500 meters from his lowest point! and drone could not reach initial takeoff point. Am i correct Toby??
cheers
JJB
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