We currently operate...
Classics...6 aircraft total
5 B747-200s, 1 B747-300
400s...18 aircraft total
1 Passenger B747-400 (and 1 as a back-up aircraft) in/out of IAH
4 B747-400LCF (Large Cargo Freighter, for Boeing's 787 production logistics)
1 B747-400BCF (Boeing Converted Freighter)
12 B747-400F's (Original freighters from the factory)
And we employ PFE's, not SO's.