Controls and Information will be found on the Info-Popup GUI In-game and below.
Spacebar - Toggle Main Engines
1 - Toggle VTOL Engines (Max throttle should be set to 1/3, any higher causes backflips)
2 - Toggle Rear Engines for VTOL mode (Main engines are too powerful. 2powerful4u!)
3 - Toggle Rear Cargo Bay Door
B9 Aerospace is required to use this: http://kerbal.curseforge.com/ksp-mods/223932-b9-aerospace-5-2-6