49 USC 44712 – Emergency locator transmitters
(a)
(b)
(1) turbojet-powered aircraft;
(2) aircraft when used in scheduled flights by scheduled air carriers holding certificates issued by the Secretary of Transportation under subpart II of this part;
(3) aircraft when used in training operations conducted entirely within a 50 mile radius of the airport from which the training operations begin;
(4) aircraft when used in flight operations related to design and testing, the manufacture, preparation, and delivery of the aircraft, or the aerial application of a substance for an agricultural purpose;
(5) aircraft holding certificates from the Administrator of the Federal Aviation Administration for research and development;
(6) aircraft when used for showing compliance with regulations, crew training, exhibition, air racing, or market surveys; and
(7) aircraft equipped to carry only one individual.
(c)
(1)
(A) aircraft when used in scheduled flights by scheduled air carriers holding certificates issued by the Secretary of Transportation under subpart II of this part;
(B) aircraft when used in training operations conducted entirely within a 50-mile radius of the airport from which the training operations begin;
(C) aircraft when used in flight operations related to the design and testing, manufacture, preparation, and delivery of aircraft;
(D) aircraft when used in research and development if the aircraft holds a certificate from the Administrator of the Federal Aviation Administration to carry out such research and development;
(E) aircraft when used in showing compliance with regulations, crew training, exhibition, air racing, or market surveys;
(F) aircraft when used in the aerial application of a substance for an agricultural purpose;
(G) aircraft with a maximum payload capacity of more than 18,000 pounds when used in air transportation; or
(H) aircraft equipped to carry only one individual.
(2)
(A) a safe and orderly transition to the operation of civil aircraft equipped with an emergency locator; or
(B) other safety objectives.
(d)
(e)