Dave Unwin, my reservations are not about the servicing or the restoration of these veteran aircraft which I accept are to the high standards that you and Nutloose proclaim. They are instead that these aircraft do not meet modern Airworthiness and Performance Requirements and cannot, no matter how much care and attention is lavished on them. They are allowed to fly by the authorities to meet public demand and sentiment. When an accident as terrible as this occurs then those authorities need to urgently reconsider the status quo. Things are likely to change now, just as they have when air displays have caused a great loss of life. You may see that as dross. I don't.