Dr. ThomasTo ask the Secretary of State for Defence (1) what is the basis of calculation of the figure for the average duration of a fast jet low-level sortie over the United Kingdom;
(2) what is the basis of calculation of the figure of 42 minutes for the average duration of a fast jet low-level sortie over the United Kingdom.
§ Mr. NeubertThe basis of the figure is statistical data compiled by headquarters military air traffic operations on the usage of the United Kingdom low-flying system.