For bonus points, hit your afterburniners as you enter the canyons on level BELL. When you're in the canyons fire your afterburners for 65,000 points.
Level 2 - Plan
Level 3 - Alfa
Level 4 - Bell
Level 5 - Nine
Level 6 - Lock
Level 7 - Hand
Level 8 - Flea
Level 9 - Life
In Level 6, do a barrel-roll (Option 2 and turn left or right), and then hold the plane upside-down, while pressing Up over an airstrip (to land). You will land upside-down, the cockpit opens from the fuel tank, and you take off backwards!