How to do a flip

[Soviet Ace]

The only kinda "flip" maneuver I can find on the internet, is of planes rolling over onto their backs and continuing flying straight forward. Besides that, all I can think of are the maneuvers that were given on the first page?

[Shadowcorp]

travel a aircraft lets say a hurricane quite slow and high
enter 109, 109 hits hurricanes rudder with all three cannon shells
result flip
Sp1n-Sir did it to me earlier it looked like a flip...