§ Mr. Mathewasked the Minister of Aviation on how many occasions in the past twelve months London Airport has been unusable for several hours in any day on account of fog; and by what date he anticipates it will be possible for aircraft to take off and make landings at London Airport whatever the weather.
§ Mr. AmeryDuring the last twelve months there were ten days on which London (Heathrow) Airport was unusable on account of fog for more than two hours at a time.
As regards the second part of the Question, by 1969 aircraft equipped with fully automatic landing systems should be able to operate from London Airport in all conditions of visability.