Eric wrote:
Well regarding the jumpers, when hanging under the canopy, I don't see how "busting through clouds"
or "busting FAA" regs would be an issue. They are not operating an aircraft as defined by the FAA
so why would FAA rules apply?

The jump planes and their pilots of course are a different matter...

Eric,

The FAA is charged with regulating civil aviation, not just "aircraft."
FAA regulations apply to numerous aspects of aviation, including
people falling through US airpace. For example, a sky diver cannot
legally cross through IMC, or through KDCA's airspace.

FAR Part 105 specifically concerns civil Parachute Operations and FAR
Part 65 (subpart F) concerns Parachute riggers. Also, there are
numerous advisory circulars concerning parachute activity.