---
kind: "section"
citation: "49 C.F.R. § 175.703"
title: "49"
number: "175.703"
heading: "Other special requirements for the acceptance and carriage of packages containing Class 7 materials."
url: "https://uscodex.org/cfr/49/175.703"
---

# §175.703. 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)](/cfr/49/172.403.md?p=h) of this subchapter.
- (b) Each shipment of fissile material packages must conform to the requirements of §§ [173.457](/cfr/49/173.457.md) and [173.459](/cfr/49/173.459.md) 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)](/cfr/49/173.441.md?p=a) of this subchapter may not be transported by aircraft except under special arrangements approved by the Associate Administrator.

## Notes

### Authority

Authority: 49 U.S.C. 5101-5128; 44701; 49 CFR 1.81 and 1.97.

### Source

Source: 71 FR 14604, Mar. 22, 2006, unless otherwise noted.