Section 241. Qualifications of operator; federal license

The public safety
  requiring, and the advantages of uniform regulation making it desirable,
  in the interest of aeronautical progress, that a person engaging  within
  this  state  in operating aircraft, in any form of avigation for which a
  license to operate aircraft issued by the United States government would
  then be required if such avigation  were  interstate,  should  have  the
  qualifications  necessary  for  obtaining and holding such a license, it
  shall be unlawful for any person to engage in operating aircraft  within
  the state, in any such form of avigation, unless he have such a license.