Did a search about this, and couldn't find anything.
How many PASSENGER airlines have an all-heavy fleet? We'll include the B757 as a heavy. For those who want an exact number as to what is a heavy aircraft and what isnt, the cut-off weight is 255,000 lbs.
Here are the ones i can think of:
Zoom Airlines (and Zoom UK)
Anyone know of any other airlines?
[Edited 2008-05-08 12:36:51]
us Air Traffic Controllers have a good record, we haven't left one up there yet !!