General informations:
AT400 improves:
- It has four engines,
- It has full Interior (Passenger cabin and pilot cabin, transparent windows),
- New stripe (It's wider)
- New collision,
- New textures,
- New colors,
- New handling (Handling is this same but It has installed hydraulics and nitro),
Important things:
- Hydraulics and nitro work only on the ground,
- You don't see when nitro is on but plane accelerate faster.
If you don't know:
YOU CAN GET INSIDE! AND DON'T ASK ME ABOUT IT!

How to enter plane from the ground:
1. Write kangaroo cheat.
2. Stand near plane door.
3. Jump in the plane.
4. Push Enter and watch what happen (CJ should fall out the plane and get in,
if he isn't that means you stood not as near plane door as you had to).

There are screenshots in the zip file.