this aircraft is very nice to fly it has a top speed of just over 1000 miles per hour but there are some minor and hazardous problems to use the VTOL function You Must List the VTOL slider all the way up this will Engage The fans afterwards you must lift the trim slider all the way up to activate the fans while it is lifting off the ground you must keep it steady and then point the nose up slightly and give a little bit of throttle buy little 2 to 5% at a time and gradually build up to 20% throttle while doing this he knows will want to come down keep it in the air and continue by retracting the trim to Center and finally the VTOL to Center throttle up and while retracting gear press 8 so your trim returns to it's normal function there's also to drop tanks which will be engaged by pressing one and finally one word of caution at high speeds 1000 miles and above sharp turns may cause RAPID UNPLANNED DISASSEMBLY