Other special requirements for the acceptance and carriage of packages containing Class 7 materials.

(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.#

(b)Each shipment of fissile material packages must conform to the requirements of §§ 173.457 and 173.459 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.#