Hey there guys...
Stumbled across a rather interesting video on youtube today, of a 747 undergoing some tests before its delivery. I ran a search on the forum for this video and for any information on this procedure but I came across nothing.
Anyhow... without further ado... here is the video:
Sorry if it has been addressed before but basically, can anyone 'in the know' describe what is going on in the cockpit... are they calibrating instruments? is there something in particular they're looking for ?
[Edited 2009-12-04 17:25:51]