Mr. T. MORRISasked the Under-Secretary of State for Air what steps are being taken to prevent the extension of pylons throughout the country affecting the safety of aeroplanes when flying, or being forced to fly, at low altitudes; and whether he is satisfied that the markings on such pylons are of a nature to warn aviators of their existence in the vicinity?
§ Sir P. SASSOONEvery endeavour is made to avoid the erection of pylons near aerodromes, or possible sites for aerodromes, where the danger to aircraft would be most acute, and diversion of the proposed routes for high tension cables has in many cases been arranged on this account. The devising of suitable methods for warning aircraft of the existence of pylons raises a number of involved technical issues, and the whole problem is still under investigation.