Hello,  Hope someone may be able to help.  I have been using Arducopter for a long time and am starting to use Arduplane in my X5 and X8.........I noticed in MP, in the accel calibration area, there is the 6 axis calibration and the "level calibration" buttons.  For Arducopter I do the 6 axis accel calibration, and its the only one offered. .  Question is:  .....for Arduplane 2.74b do I do the 6 axis and the "level" procedures together, or can I just do the 6 axis ensuring the the unit is perfectly level at the 1st step of the 6 axis setup.

I realize that this has to be done only once, or if you erase EEprom or update firmware, just want to make sure I am callibrationg the right way for Arduplane. before my maiden flights.

Thanks in advance!.....-JEFF