possibly, yes but its better than losing the ass of the plane!
"Errol Cavit"  wrote in message
  om...
 "Dave Kearton"  wrote in
message ...
  "M. H. Greaves"  wrote in message
  ...
  | I saw a video about the extensive testing of the early 747's (not the
  | 400's), and the test pilots had a big wooden skid attached to the rear
  | underside, and were taking off at too steep an angle grinding the wood
   skid
  | along the ground; amazing!!
  | shows just how strong they were and how they could stand up to rough
  | treatment; of course the one at Aukland didnt have a wooden skid so
the
  | effect must have been quite sparking, ('s'cuse the pun!!)
 
 
 
  I don't have the 747-400 manual on hand,  but on one of the first few
pages
  it mentions that the APU is as effective as a wooden skid,  if you drag
it
  along 400m of concrete.
 
 Wooden skids give (false, thankfully in SQ286's case) APU fire warnings?
 Some piccies
 http://www.airdisaster.com/photos/9v-smt/3.shtml
 http://www.nzherald.co.nz/storydispl...toryID=3200538
 Discussion on aus.aviation:
www.google.com/groups?threadm=3abd9d15.0312151327.2d6555c2@posti  ng.google.c
om
 Cheers, Errol Cavit
 "Il vino è la luce del sole catturata dall'acqua."
 (Wine is sunlight held together by water.)
 Attributed to Galileo Galilei