AeroWings Cheat Codes:

Bonus Options
Enter "TASCAS" as a name. Then, choose the "Special" selection on the options menu to access "HUD", "Cockpit", and "Player Assist" options.

Cheat Mode (North American Version)
At the "Press Start" screen, press L + R. If you entered the code correctly, the phrase "Ok Good" will be spoken. Then "Exhibition" mode, all levels, airplanes, including the dolphin and buggy and more will be unlocked.