Could not find this when searching. I am getting a message stating "Ultrasound Failure; land as soon as possible" just after take off at about 10 to 15 feet. With this message, all bottom lights turn red. It responds normally, and when I bring it back to me at about 6 feet, the red lights turn...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.