Learjet 45XR Performance Description Performance Cabin Bombardier Learjet 45XR ® Takeoff at Sea Level, feet 5,040 Takeoff at 5000′ 25°C, feet 5,650 Landing Distance, feet 2,349 Certified Ceilings, feet 51,000 Fuel Consumption, gallons per hour 213 Total Variable Cost $1,282 High Speed Cruise, knots 450 Ranges, Four Pax, Nautical Miles (NM) 1,869 600 NM Mission, Fight Time 1+23 1000 NM Mission, Flight Time 2+15 Performance Ranges (Full Seats/Full Fuel) Airport Performance/Takeoff Distance.