Warbirds

In single player mode, press Pause. Then, press B to look and plan your flight route. 

View crash site:  

Quickly press Pause when the roses and skulls border appears after crashing. Press A to toggle the view to new planes until the crash site appears. Use the D-pad to move the view. 

Easy Red Baron kill:  

Select unlimited damage, 200 rounds of ammo, no collisions, unlimited men, and dueling start options. Shoot the machine guns at the Baron after take off. Intentionally empty your ammunition and land. The Baron will crash while your plane is being repaired.