Member

As I have said, the environment is mentioned as part of that. The details come from what is called ECAC.CEAC Doc 29—some of your Lordships will know what I mean. We already comply with all the details that come from those regulations and documents. It is not as though there are no references and that we are not compliant with environmental issues and pressures at this time. We also have to recognise that, fortunately, because of our excellent scientists and engineers, we know that the minimum engine type operating at these airports is a chapter 4 engine. Again, our airports have to be compliant with the rules laid down by ICAO. We are obviously obliged to comply with international rules and regulations from those bodies, and we certainly do in the United Kingdom.