Aviation experts puzzled after airliner dumps fuel over city
LOS ANGELES (AP) — Some aviation experts said Wednesday that they were puzzled after the crew of a commercial airliner decided to dump fuel at low altitude during an emergency landing, causing a vapor to fall on schoolyards and neighborhoods east of Los Angeles International Airport.
“No one is going to dump fuel where these guys did it over populated areas and schools. It’s a pretty outrageous thing,” said Ross Aimer, CEO of Aero Consulting Experts and a retired United Airlines pilot. “They should have gone over the ocean or landed heavyweight.”
Delta Air Lines said Flight 89 to Shanghai had an engine problem after takeoff Tuesday and needed to quickly return. The Boeing 777-200 landed safely after circling back over Los Angeles while dumping fuel to reach a safe landing weight, the airline said in a statement.
Los Angeles County firefighters were called to schools where nearly 60 children and adults were examined for minor skin and lung irritations, but none required hospitalization. Fire Inspector Sky Cornell also said monitoring showed the vapor wasn’t flammable.
When a plane is forced to turn back after takeoff, the weight of a full load of fuel carries a risk of damaging the jet during landing. That can be costly for airlines to fix. And even if there isn’t damage, airlines try to avoid overweight landings because they are required to inspect planes, which puts them out of service.
When turning back with a full fuel load, pilots have three choices, according to John Cox, a safety consultant and former airline pilot: burn the fuel, which can take hours, dump it or land overweight.
In case of a fire, he said, pilots will dump as much fuel as quickly as they can and land. A less dangerous situation tends to lead to using up or dumping fuel.
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