"Have a look at the 900u also if you are looking to save weight on The craft. We sell them on our online store in Australia, not sure if I'm allowed to put a link, but if you are local in Brisbane would be happy to assist. We use the 900 as a base…"

"+1 for RFD900"

"This sounds basic but have you checked motor direction and props are correct? I recently went through my 3rd APM build and couldn't work out why it was oscillating so badly. Turned out I had the motors spinning the wrong way and props on to match.…"

"aside from droidplanner not displaying modes with 3.1 neither does my minimosd. Can see status ok in Mission Planner though. "

"I am having a similar problem using 3.1 but only with droid planner. I have 2 apm 2.5 boards, one with 2.9 and one with 3.1 and the 2.9 has no issues. something with 3.1 is causing the mode not to display in droid planner. Mission Planner works fine."

"Hi All and thanks for the responses and input. I have decided to go all out and order a few things to play with to see what i can do with range. I have ordered Imrc Duo5800v3 diversity receiver, truerc 10db crosshair, and couple of ibcrazy bluebeam…"

"Hi Mark, +1 for RX/TX problems. I went through a few crashes recently with loiter issues and also failsafe activating for unknown reason and did the following
1. I upgraded my NEO 6M with the latest settings for 3DR.…"

"Update, I think the problem was the turnigy 9x rx/tx . Setup the frsky two way telemetry system today and no more rtl issues even at 600m. Will keep posted on the next week or so of flying."

"I just found my tlog on my android device - I thought sharing it may help.2013-11-02_07-29-02[1].tlog"