§ Mrs. Bainasked the Secretary of State for Trade whether the low power/low drag trial conducted by the Civil Aviation Authority at London Heathrow is now completed; and if he will make a statement on the implications of this technique for other British airports.
§ Mr. Clinton DavisThe trial has been extended until 31st March 1978. Provided the outcome from both the noise 7W abatement and operational points of view is successful, I understand that the Civil Aviation Authority intends considering the application of similar procedures to other United Kingdom airports.