Zero G push over with two girls - Awesome reaction!
Zero G push over - Cessna 172
Zero G attempt | Cessna 172 | having fun over the Long Island Sound
The famous zero g push-over
Zero gravity in a Cessna 172
Girl has funny reaction to a Zero-G Pushover in a Sailplane
Dog doing Zero G in airplane
Two little girls experience Zero G's for the first time
Dog Goes Weightless In Airplane with Zero Gravity
Zero G Pushover
Animation of R-44 low G Push Over 
This is how zero-g flights actually work
Negative G torture
Gyrocopter low g power push over crash (the cause of many gyrocopter fatal accidents)
Zero gravity on a general aviation plane...
Zero-G Plane Prank
Zero Gravity in "Fat Albert" Blue Angels' C-130
Zero Gravity Pushover
Here's how zero gravity planes work
#1 Robinson R22 R44 Training Safety Tip Never push cyclic forward Online Ground School