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Civil Aviation Bill

My Lords, I declare my interest as a director of Manchester Airport. I rise with respect to the comments made by my noble friend Lord Berkeley. I think that he implied that voluntary schemes will never work. I ask him to visit Manchester or Nottingham East Midlands airport where we have a scheme that is every bit as good as the one being proposed here and which is done entirely voluntarily. Voluntary schemes can work. My noble friend also mentioned a statutory code, but I cannot understand what the regulation would mean for an airport authority. How much airport noise will houses have to experience before we have to take measures? Will it be measured on the basis of distance, flight path or noise level? The amendment does not say. I think that the House should know what it is voting for before it does so.