Challenger 605 Floor Plan Exterior Interior Cabin Length 28’ 5” Cabin Width 8’ 2” Cabin Height 6’ 1” Cabin Volume (ft 3 ) 1150 Internal Baggage (ft 3 ) 115 External Baggage (ft 3 ) 0 Range (sm) 4135 Seating 10-12 Average Speed (mph) 528 On Board Lavatory Yes