HC Deb 10 May 1960 vol 623 cc50-1W
Mr. Symonds

asked the Minister of Aviation at what height over the Irish Sea his regulations require that aircraft should fly when breaking the sound barrier; and what are his instructions regarding such flights over the land.

Mr. Sandys

Ministry of Aviation instructions do not specify the height above which supersonic flights should be carried out over the sea, but they are usually made at high altitude. Flights at supersonic speed over land require special authority. They are normally carried out above 30,000 feet over sparsely populated areas.

Mr. Symonds

asked the Minister of Aviation what has been the amount of compensation paid to residents in the Millom area for damage done to property, and the number of complaints received, arising from the testing of supersonic aircraft during the last two years.

Mr. Sandys

The amount of compensation paid was £18 10s., and the number of complaints received, 10.

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