§ Sir F. SYKESasked the Under-Secretary of State for Air whether the night-flying training which has taken place in the Near East is such as has enabled conclusions to be reached in regard to regular night-flying in tropical and semi-tropical conditions; and whether the data obtained has been published fur the benefit of the aircraft constructional and operational industries, as was done in the ease of the night-flying experiments on the Cross-Channel route in March, 1923?
§ Mr. LEACHSufficient experience has not been gained to enable any very definite conclusions, suitable for publication, to be reached, but the Air Ministry is prepared to place at the disposal of persons interested any information in its possession which bears on this subject.