Description
This article is from the Aviation
Aerobatics FAQ, by Dr. Guenther Eichhorn with numerous
contributions by others.
06 The Aerobatics Box
The aerobatics box is the area in which aerobatics competitions take
place. The competitor has to stay within the lateral limits of the
box and within the height limits. During competition there are
boundary judges in place that determine when a competitor leaves the
box. Boundary infringement penalties subtracted from the score in
such cases. The dimensions of the aerobatics box are as follows:
Lower limits:
1500' AGL: Basic and Sportsman Categories
1200' AGL: Intermediate
800' AGL: Advanced
328' (100m) AGL: Unlimited
Upper limits:
3280' (1000m) AGL: Unlimited
3500' AGL: All Others
Lateral dimensions:
3300' x 3300' centered on the judges line.
The lower limits of the box are, for safety reasons, strictly enforced.
 
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sport, aviation, aerobatics, IAC, parachute