On Wed, 09 Jun 2004 14:30:06 GMT, "geo" wrote:

What are the rules for using experimental aircraft for commercial purposes?

Depends on the certification of the Experimental. If it's certified
Experimental Amateur-Built, commercial operations are prohibited.

The other Experimental sub-categories may allow some limited commercial
operation, but almost always no operations involving carriage of passengers
or cargo for hire. For instance, many of the airshow aircraft you see are
licensed as Experimental-Exhibition, and those are being operated
commercially. Allowable use depends upon the local FSDO.

Ron Wanttaja