I test RTH every once in awhile and it sometimes is from 5 to 10 feet but usually around 20 or so. If it is coming down to
close to a tree or uneven ground I take control to move it over some. I usually take control anyway on the last 15 ft or so
It has landed on its own very well I must say, but as you know it coming down faster until the last couple feet.
Gives you a rush thinking it will slam onto the ground.