When the game loads and at the main start window where it says PRESS START, push both the L and R buttons on the control pad.
Successfully complete all twenty Blue Impulse Missions.
Enter TASCAS as your name. Now go to the Options menu and choose the Special option for HUD, Cockpit, and Player Assist.
Successfully complete Sky Mission Attack 1 through 8. Then an option to fly a five or six jet formation in free flight mode will be unlocked.
Complete Sky Mission Attack 1 through 8 with the Dolphin.
Complete Sky Mission Attack 8 to unlock a dolphin.
Pause the game and then press X + Y.