[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR175.703] [Page 681] TITLE 49--TRANSPORTATION CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 175_CARRIAGE BY AIRCRAFT--Table of Contents Subpart C_Specific Regulations Applicable According to Classification of Material Sec. 175.703 Other special requirements for the acceptance and carriage of packages containing Class 7 (radioactive) materials. (a) No person may carry in an aircraft any package of Class 7 (radioactive) materials required by Sec. 172.403 of this subchapter to be labeled Radioactive Yellow-II or Radioactive Yellow-III closer than the distances shown in the following table to any package marked as containing undeveloped film: -------------------------------------------------------------------------------------------------------------------------------------------------------- Minimum separation distance to nearest undeveloped film for various times of transit ----------------------------------------------------------------------------------------- Transport index Up to 2 hours 2 to 4 hours 4 to 8 hours 8 to 12 hours Over 12 hours ----------------------------------------------------------------------------------------- Meters Feet Meters Feet Meters Feet Meters Feet Meters Feet -------------------------------------------------------------------------------------------------------------------------------------------------------- 0.1 to 1.0.................................................... 0.3 1 0.6 2 0.9 3 1.2 4 1.5 5 1.1 to 5.0.................................................... 0.9 3 1.2 4 1.8 6 2.4 8 3.3 11 5.1 to 10.0................................................... 1.2 4 1.8 6 2.7 9 3.3 11 4.5 15 10.1 to 20.0.................................................. 1.5 5 2.4 8 3.6 12 4.8 16 6.6 22 20.1 to 30.0.................................................. 2.1 7 3.0 10 4.5 15 6.0 20 8.7 29 30.1 to 40.0.................................................. 2.4 8 3.3 11 5.1 17 6.6 22 9.9 33 40.1 to 50.0.................................................. 2.7 9 3.6 12 5.7 19 7.2 24 10. 8 36 -------------------------------------------------------------------------------------------------------------------------------------------------------- (b) No person may accept for carriage in an aircraft packages of Class 7 (radioactive) 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 Sec. 173.448(g) of this subchapter. (c) No person shall carry in an aircraft a fissile material controlled shipment (as defined in Sec. 173.403 of this subchapter), except-- (1) In a cargo aircraft only which has been assigned for the exclusive use of the shipper for the specific shipment of fissile Class 7 (radioactive) material. Instructions for the exclusive use must be developed by the shipper and carrier, and the instructions issued with the shipping papers; or (2) In an aircraft in which there are no other packages required to bear a radioactive label as prescribed in Sec. 172.403 of this subchapter. Specific arrangements must be made between the shipper and carrier, with instructions to that effect issued with the shipping papers. (d) 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. (e) Packages with radiation levels at the package surface or a transport index in excess of the limits specified in Sec. 173.441(a) of this subchapter may not be transported by aircraft except under special arrangements approved by RSPA. [Amdt. 175-13, 45 FR 20102, Mar. 27, 1980, as amended by Amdt. 175-26, 48 FR 10245, Mar. 10, 1983; Amdt. 175-26, 48 FR 31220, July 7, 1983; Amdt. 175-29, 48 FR 50461, Nov. 1, 1983; Amdt. 175-47, 55 FR 52687, Dec. 21, 1990; Amdt. 175-53, 60 FR 50333, Sept. 28, 1995] [[Page 682]]