54. Cosmic radiation

An AOC holder must establish procedures in its Operations Manual for the operation of any large aeroplane at an altitude above 49,000 ft.

The procedures established in accordance with paragraph (1) must include —

procedures for the use of equipment to monitor cosmic radiation on a flight which is operated at an altitude above 49,000 ft; and

procedures for recording the total cosmic radiation dose received over a period of 12 consecutive months by any person who is assigned duty as a crew member of a flight which is operated at an altitude above 49,000 ft.

An AOC holder must establish procedures in its Operations Manual for the operation of any large aeroplane at an altitude above 49,000 ft.

The procedures established in accordance with paragraph (1) must include —

procedures for the use of equipment to monitor cosmic radiation on a flight which is operated at an altitude above 49,000 ft; and

procedures for recording the total cosmic radiation dose received over a period of 12 consecutive months by any person who is assigned duty as a crew member of a flight which is operated at an altitude above 49,000 ft.