Gulfstream G150 Performance Description Performance Cabin Gulfstream G150 Performance ® Takeoff at Sea Level, feet 5,012 Takeoff at 5000′ 25°C, feet 8,120 Landing Distance, feet 2,431 Certified Ceilings, feet 45,000 Fuel Consumption, gallons per hour 192 Total Variable Cost $1,152 High Speed Cruise, knots 475 Ranges, Four Pax, Nautical Miles (NM) 2,950 600 NM Mission, Fight Time 1+32 1000 NM Mission, Flight Time 2+28 Performance Ranges (Full Seats/Full Fuel) Airport Performance/Takeoff Distance.