From The Crop Circle Ship Wiki
Jan Pajak presents an idea which may be found in the crop circle ship designs, however this connection is considered inconclusive.
The idea is a system to increase flight stability of a craft while around a body like a planet.
Potential labels on a 2005 formation are seen below.
Technical information won't be copied, it can be found at the link below.
 External links
Scroll down to #4 on http://www.jan-pajak.com/
 Also see