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Radiation Protection Dosimetry 86:333-334 (1999)
© 1999 Oxford University Press
Cosmic Radiation Measurements in Airline Service
Ionising radiation monitoring equipment is installed in all Concordes and much data have been derived. To validate the measurements from the on-board monitoring equipment, a programme of measurements on Concorde has been carried out using passive dosemeters in association with the UK National Radiological Protection Board. Data from a typical month (in this case October 1997) shows an arithmetic mean dose across the British Airways Concorde fleet of 12.9 (±0.4) µSv.h-1. Results from the NRPB measurements for the same month give a dose of 11.4 (±0.5) µSv.h-1 and application of the CARI 3Q programme gives a dose of 9.6 µSv.h-1 for the same month. The effective route dose between London and New York gives a mean value of 43.1 µSv for the Concorde detectors. The NRPB results give a route dose of 38.9 µSv whereas the CARI 3Q programme gives a route dose of 32.5 µSv. Measurements have also been performed on the Boeing 747-400 aircraft on the high latitude ultralonghaul direct London-Tokyo flight and these give values in the region of 6 µSv.h-1, against the CARI 3Q estimate of 3.7 µSv.h-1.
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