U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jul 12, 2020
(a) No person may accept for carriage in an aircraft packages of Class 7 materials, other than limited quantities, contained in a rigid or non-rigid overpack, including a fiberboard box or plastic bag, unless they have been prepared for shipment in accordance with § 172.403(h) of this subchapter.
(c) No person shall offer or accept for transportation, or transport, by air -
(1) Vented Type B(M) packages, packages which require external cooling by an ancillary cooling system or packages subject to operational controls during transport; or
(2) Liquid pyrophoric Class 7 (radioactive) materials.
(d) Packages with radiation levels at the package surface or a transport index in excess of the limits specified in § 173.441(a) of this subchapter may not be transported by aircraft except under special arrangements approved by the Associate Administrator.