Hold L + R and press Start when "Press Start" appears at the opening screen. The phrase "Okay, good" will be spoken to confirm correct code entry. All missions, exhibition mode, planes, and bonuses (Dolphin and Buggy) will be unlocked.
Enter "TASCAS" as a name. Then, choose the "Special" selection on the options menu to access "HUD", "Cockpit", and "Player Assist" options.
Successfully complete Sky Mission Attack 1 through 7. Then, Sky Mission Attack 8 will be unlocked.
Successfully complete Sky Mission Attack 8 to unlock a dolphin that can be flown in free-flight and sky mission attack modes.
Successfully complete Sky Mission Attack 1 through 8 with the dolphin.
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.
Successfully complete all twenty Blue Impulse Missions. Exhibition mode includes new maneuvers which were previously unavailable.
Complete all twenty Blue Impulse Missions. Exhibition mode includes new maneuvers which were previously unavailable. To earn the indicated aircraft, successfully complete the corresponding mission:
At the main title screen, press and release the L and R triggers. A sound cue (voice) should confirm correct code entry. Now you should be able to pick from all of the planes, including a flying dolphin and a flying buggy (from Chitty chitty bang bang?)
In order to get the buggy, you must first get the dolphin. Then you must sucessfully beat the Air Attack Missions 1-8 with the Dolphin. A way you can know if you have accomplished a level, look on the bottom rite of the picture of the level. You should notice that the one's that you have beaten with the Dolphin have 2 exclamtion marks after the clear sign, if you haven't beaten it yet, then it only has one exclamation mark.