Montana Title 67. Aeronautics § 67-3-102. Exceptions

(1) an aircraft that has been licensed by a foreign country with which the United States has a reciprocal agreement covering the operations of that licensed aircraft;

(2) an aircraft that is owned by a nonresident of this state who is lawfully entitled to operate the aircraft in the state of residence;

(3) an aircraft engaged principally in commercial flying constituting an act of interstate or foreign commerce;

(4) an aircrew operating military or public aircraft or an aircraft licensed by a foreign country with which the United States has a reciprocal agreement covering the operation of that licensed aircraft;

(5) a person operating model aircraft or a person piloting an aircraft that is equipped with fully functioning dual controls when a licensed instructor is in full charge of one set of the controls and the flight is solely for instruction or for the demonstration of the aircraft to a prospective purchaser;

(6) a nonresident operating aircraft in this state who is lawfully entitled to operate aircraft in the state of residence;

(7) an aircrew while operating or taking part in the operation of an aircraft engaged principally in commercial flying constituting an act of interstate or foreign commerce.