"Jim Lesurf" wrote in message

In article ,
John Phillips wrote:


I once sat in a 747 on the ground at Kai Tak waiting for
takeoff (a long time ago) and noticed that we were
apparently at -4 metres.

Sound like the pilot was a little late with the round-out
during the previous decent. Perhaps understandable given
the approach. :-)

I don't think its big enough to handle 747s, but I've visited this airport
in person, and it will send plane altimeters even further in the negative
direction:

http://en.wikipedia.org/wiki/Salton_Sea_Airport