Complete all fighter missions and tactical challenges to get free flight in missions 20 and 21.
Go to the select options screen (free flight, training, challenges, personal data, etc.) highlight "free flight", hold L and press X and Y simultaneously. You will here and audio sound if the code was entered correctly.
You must have 10 or more carrier landings in one of the two carrier free flight missions. Don't forget to choose a carrier base aircraft and no enemy's.
Get all planes that you can recieve from missions and tactical challenges, and they reward you with the F-15 Agressor one
Score over 100 kills and you get the T-3 super recipro fighter.
In free flight mode choose mission 21 and assign two enemies to battle you. Defeat them with the F-15 aggressor one and you got yourself the F-15 aggressor two
Start a new game from the title screen and then enter "TASCAS" as your name. A new place entitled "Special" will appear in the "Game Config" menu under the "Options" menu.
From the Options menu, you can choose from three different options: Player Assist, HUD, and Cockpit. You'll be able to toggle any of them on or off at any time.
Complete the mission Fighter Pilot 5 and you will unlock Aircraft T-4.
Hold L and press X + Y at the same time. If done correctly, you will hear a sound.
At the title screen, press L and R at the same time. If you did it right, a voice will say "Ok good." From here, begin a new game and you'll now have access to every single one of the stages and all of the aircraft. You'll also have a perfect score of 100 on each Blue Impulse Mission