Unlock Everything
At the 'Press Start' screen, press the L and R triggers simultaneously. This will unlock all levels and planes.

Exhibition Mode
Beat all 20 Blue Impulse Missions to earn the Exhibition Mode. In this mode, you can select from various new maneuvers.

5-6 Formation
Complete all 8 Sky Mission Attacks to earn the option to fly a 5 jet formation or 6 jet formation in the Free Flight mode.

Extra Options
Enter TASCAS as your name. Now go to the Options menu and choose the "Special" option for HUD, Cockpit, and Player Assist.

Extra Mission
Beat Sky Mission Attacks 1-7. This will unlock Sky Mission Attack 8.

Full Pause Screen
Press Start then press X + Y.