1. open the editor
2. place an MH-9 Hummingbird or AH-9 Pawnee somewhere on the map
3. set special: flying, control: player and elevation: 2000
4. preview the mission (you should fly in the height of 2000m)
5. now cut the engine (engine off)
6. set the collective raise to the maximum
7. wait until the rotor blades nearly stop
8. now switch on the engine
9. watch the upcoming chaos