52 STAT.] 75TH CONG. , 3D SESS.-CH. 601-JUNE 23, 1938 is not in condition for safe operation, he shall so notify the carrier, in such form and manner as the Authority may prescribe; and, for a period of five days thereafter, such aircraft, aircraft engine, propeller, or appliance shall not be used in air transportation, or in such manner as to endanger air transportation, unless found by the Authority or its inspector to be in condition for safe operation. AIR NAVIGATION FACILITY RATING SEC. 606. The Authority is empowered to inspect, classify, and rate any air navigation facility available for the use of civil aircraft of the United States, as to its suitability for such use. The Authority is empowered to issue a certificate for any such air navigation facility. AIR AGENCY RATING SEC. 607. The Authority is empowered to provide for the examina- tion and rating of (1) civilian schools giving instruction in flying or in the repair, alteration, maintenance, and overhaul of aircraft, air- craft engines, propellers, and appliances, as to the adequacy of the course of instruction, the suitability and airworthiness of the equip- ment, and the competency of the instructors; (2) repair stations or shops for the repair, alteration, maintenance, and overhaul of aircraft, aircraft engines, propellers, or appliances, as to the adequacy and suit- ability of the equipment, facilities, and materials for, and methods of, repair, alteration, maintenance, and overhaul of aircraft, aircraft engines, propellers and appliances, and the competency of those engaged in the work or giving any instruction therein; and (3) such other air agencies as may, in its opinion, be necessary in the interest of the public. The Authority is empowered to issue certificates for such schools, repair stations, and other agencies. FORM OF APPLICATIONS SEC. 608. Applications for certificates under this title shall be in such form, contain such information and be filed and served in such manner as the Authority may prescribe, and shall be under oath when- ever the Authority so requires. AMENDMENT, SUSPENSION, AND REVOCATION OF CERTIFICATES SEC. 609. The Authority may, from time to time, reinspect any air- craft, aircraft en-ine, propeller, appliance, air navigation facility, or air agency, may reexamine any airman, and, after investigation, and upon notice and hearing, may alter, amend, modify, or suspend, in whole or in part, any type certificate, production certificate, airworthi- ness certificate, airman certificate, air carrier operating certificate, air navigation facility certificate, or air agency certificate if the interest of the public so requires, or may revoke, in whole or in part, any such certificate for any cause which, at the time of revocation, would justify the Authority in refusing to issue to the holder of such certificate a like certificate. In cases of emergency, any such certificate may be sus- pended, in whole or in part, for a period not in excess of thirty days, without regard to any requirement as to notice and hearing. The Authority shall immediately give notice of such suspension to the holder of such certificate and shall enter upon a hearing which shall be dis- posed of as speedily as possible. During the pendency of the proceeding the Authority may further suspend such certificate, in whole or in part, for an additional period not in excess of thirty days. 1011 Air navigation facil- ity rating. Air agency rating. Civilian schools. Repair stations, etc. Other air agencies. Form of applica- tions. Amendment, sus- pension, and revoca. tlon of certificates. Emergencie.
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