Is the pilot license needed...?

After a quick and possibly incorrect search this may be you legal catch all.

http://www4.law.cornell.edu/uscode/h...6----000-.html

(a) Criminal Penalty.- Except as provided by subsection (b) of this section,
when another criminal penalty is not provided under this chapter, a person
that knowingly and willfully violates this part, a regulation prescribed or
order issued by the Secretary of Transportation (or the Under Secretary of
Transportation for Security with respect to security duties and powers
designated to be carried out by the Under Secretary or the Administrator of
the Federal Aviation Administration with respect to aviation safety duties
and powers designated to be carried out by the Administrator) under this
part, or any term of a certificate or permit issued under section 41102,
41103, or 41302 of this title shall be fined under title 18. A separate
violation occurs for each day the violation continues.

That'll do it.

Jose
--
"There are 3 secrets to the perfect landing. Unfortunately, nobody knows
what they are." - (mike).
for Email, make the obvious change in the address.