EGMC Southend - 5265 ft 1605m
I remember an old Flight International article about someone taking a 707 in there - noteworthy at the time. Since then, it has been used by a few large aircraft for maintenance. Try
http://www.!!!!!!!!!!!!!!/open.file?i...%3D&static=yes for a picture of one leaving.
Mind you, Southend and derring-do seem to go hand in hand. Read more about an ex-EGMC aircraft
http://www.tailstrike.com/310392.htm and feel glad that you're sitting on the ground while reading it.