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Aviation experts puzzled after airliner dumps fuel over city

In this photo from video, Delta Air Lines Flight 89 to Shanghai, China dumps fuel over Los Angeles before returning to Los Angeles International Airport for an emergency landing Tuesday, Jan. 14, 2020. Fire officials say fuel apparently dumped by the aircraft returning to LAX fell onto an elementary school playground. A fire department tweet says firefighters are assessing "multiple patients" at the school in the suburban city of Cudahy, Calif. The flight tracking website FlightAware shows that Delta Air Lines Flight 89 to Shanghai, China, departed LAX, circled back over Southern California and returned to the airport. (AP Photo/Matt Hartman)
In this photo from video, Delta Air Lines Flight 89 to Shanghai, China dumps fuel over Los Angeles before returning to Los Angeles International Airport for an emergency landing Tuesday, Jan. 14, 2020. Fire officials say fuel apparently dumped by the aircraft returning to LAX fell onto an elementary school playground. A fire department tweet says firefighters are assessing "multiple patients" at the school in the suburban city of Cudahy, Calif. The flight tracking website FlightAware shows that Delta Air Lines Flight 89 to Shanghai, China, departed LAX, circled back over Southern California and returned to the airport. (AP Photo/Matt Hartman) In this photo from video, Delta Air Lines Flight 89 to Shanghai, China dumps fuel over Los Angeles before returning to Los Angeles International Airport for an emergency landing Tuesday, Jan. 14, 2020. Fire officials say fuel apparently dumped by the aircraft returning to LAX fell onto an elementary school playground. A fire department tweet says firefighters are assessing "multiple patients" at the school in the suburban city of Cudahy, Calif. The flight tracking website FlightAware shows that Delta Air Lines Flight 89 to Shanghai, China, departed LAX, circled back over Southern California and returned to the airport. (AP Photo/Matt Hartman)

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.

photo Firefighters allow parents into Park Avenue Elementary School where multiple people were treated for jet fuel exposure in Cudahy, Calif., on Tuesday, Jan. 14, 2020. A jet returning to LAX dumped its fuel over the neighborhood and the school. Affected people at the school were treated for skin and eye irritation. No patients were transported to hospitals. (Scott Varley/The Orange County Register via AP)

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.