Dump fuel. Wings on newer planes such as the B777 or A340 are fitted with rear nozzles which jettison fuel into the atmosphere at an approximate rate of 2.5 tons/min + fuel burn during the procedure. A B777 typically consumes 8 tons of fuel per hour.
How much fuel does 777 burn per hour?
At Mach 0.839 (495 kn; 916 km/h), FL300, -59 °C and at a 513,400 lb (232.9 t) weight, it burns 17,300 lb (7.8 t) of fuel per hour.
Can boeing planes dump fuel?
Larger planes like the Boeing 747, on the other hand, have fuel jettison systems. If the aircraft tried to land without dumping the fuel first, it is considered an overweight landing attempt and could place immense stress on the airframe. It could also increase the risk of fire and fuel leaking onto the tarmac.
Can a Boeing 777 dump fuel?
Can A330 dump fuel?
Not all planes are capable of dumping fuel. Boeing's 747 and 777 both have the ability to jettison kerosine, as has the Airbus A380 and an A330. However, regional jets such as a Boeing 737 and Airbus A320 can not.
Why A320 can’t dump fuel?
This means that they cannot jettison fuel from their tanks in flight. The reason for this is that these aircraft are designed for short to medium-range flights, and they do not need to carry as much fuel as long-range aircraft.
Can A380 dump fuel?
Long haul aircraft such as the Airbus A380 and Boeing B777 are equipped to jettison fuel in emergency situations only. According to CAA guidelines fuel should be dumped over the sea or if this is not possible it should be above 10,000 feet to allow the fuel to evaporate before reaching the ground.
How often do airplanes dump fuel before landing?
As we mentioned earlier, dumping fuel is not a common occurrence. It's only done in emergencies, and even then, it's not always necessary. Most emergency landings don't require airplanes to dump fuel at all. However, there are some situations where a pilot might choose to dump fuel.