angels, that could be the one where they power down the entire aircraft, wait for 30 seconds and then slowly power it back up in the correct sequence? I recall one where the excuse was that it was needed to reset the pax video system so that we would have it working for the 15 hour sector back to LHR from Kai Tak. If you have a lot of computers on your aircraft and they all need to be talking to each other in sweetness and harmony, you will need the occaisonal Ctrl-Alt-Del. If you are not sure which aircraft it was on, the manufacturer's plate might have been in French. (Just a guess, you understand)