[Code of Federal Regulations] [Title 49, Volume 2] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR175.703] [Page 716-717] TITLE 49--TRANSPORTATION CHAPTER I--PIPELINE AND HAZARDOUS MATERIALS SAFETY 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 an overpack unless they have been prepared for shipment in accordance with Sec. 172.403(h) of this subchapter. (c) Each shipment of fissile material packages must conform to the requirements of Sec. Sec. 173.457 and 173.459 of this subchapter. (d) No person shall offer or accept for transportation, or transport, by air-- [[Page 717]] (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 the Associate Administrator. [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; 69 FR 3694, Jan. 26, 2004]