HC Deb 01 February 1934 vol 285 c569W

asked the Under-Secretary of State for Air, in view of the recent air accidents caused by aircraft colliding with wireless masts and overhead tension cables, whether negotiations have yet been concluded between the Air Ministry and the Electricity Commissioners with a view to the immediate adoption of increased safety measures to prevent similar occurrences; and whether he is satisfied that the existing regulation requiring suitable signals to be placed as far as possible on fixed obstacles dangerous to flying within a zone of 500 yards of all aerodromes is sufficient safeguard against possible collisions between aircraft and such obstructions during conditions of bad visibility?


I would refer my hon. and gallant Friend to the answer I gave to my hon. Friend the Member for Duddeston (Mr. Simmonds) on 20th December. The whole question raises involved technical issues, and I am communicating with my hon. and gallant Friend in writing on the subject. I may add, as regards the last part of the question, that the 500 yards' zone is based on the Convention for International Air Navigation. The extension of this zone to 1,000 yards in this country is under consideration.

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