A DELTA flight was forced to dump fuel while making an emergency landing earlier this week, resulting in a number of injuries after the liquid fell on a school. But why do planes need to fuel dump before landing? Why do planes have too much fuel in the first place? Before taking off, airlines calculate how much fuel is needed for the flight to complete the journey. This can depend on whether it is a short or long haul flight. By the time the plane has landed, the aircraft is much lighter having expended the fuel. Patrick Smith, an airline pilot and author of Cockpit Confidential, previously told the Telegraph : “The maximum weight for takeoff is often considerably greater than the maximum weight for landing.” When do they have to fuel dump? If a plane needs to make an emergency, unscheduled landing ahead of their planned landing time, then a full tank of fuel may make them too heavy. According to Boeing: “An overweight landing is defined as a landing made at a gross weight in excess of the maximum design (i.e., structural) landing weight for a particular model.” What happens a plane doesn’t dump fuel? Problems which can… Read full this story
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