Jim Macklin wrote:
Student pilots under CFI supervision can fly anything that
doesn't require two pilots, so a turboprop [ and maybe even
some jets] is possible [61.89].
61.101 says no more than 180 hp for a Recreational pilot.
The new Sport Pilot is limited to fixed pitch prop and
piston engine, no twins.


Hmmm... a student pilot in the left seat of a Citation CJ1?