Ron Natalie wrote:

I believe the X Prize allows one human and two appropriately weighted
dummies. I was going to look it up for sure, but the XPrize website seems
to be crumbling under the load today.

The blurb on the AOPA site says that the X Prize allows this and that that is what
they did.

George Patterson
If a man gets into a fight 3,000 miles away from home, he *had* to have
been looking for it.