HC Deb 26 April 1971 vol 816 cc25-6W
Mr. Adley

asked the Secretary of State for Trade and Industry whether, for each year since 1962, he will express the cost to the Exchequer of research and development on Concorde, as a percentage of total expenditure on British military and civil aviation.

Mr. Corfield

The figures requested are as follows:—

1962/63 1963/64 1964/65
0.02% 0.08% 1.2%
1965/66 1966/67 1967/68
3.3% 5.3% 6.6%
1968/69 1969/70 1970/71
8.0% 8.3% 10.1%

Mr. Adley

asked the Secretary of State for Trade and Industry what is the sound-measurement of over-sea sonic boom of production Concorde at 60,000 feet.

Mr. Corfield

On representative commercial flights over-sea, the pressure level beneath Concorde's flight path will be about 2 lb./sq. ft.

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