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Piled up Laptops | Flammable Lithium Batteries are Dangerous

April 17, 2017 by amin.lalani@tcbworkplace.com Leave a Comment

The US & UK order prohibiting passengers from carrying laptops and other electronics into the cabins of some overseas flights is raising concerns about a risk unrelated to terror: the potential for those devices’ lithium-based batteries to catch fire in the baggage hold.

The Flight Safety Foundation, a non-profit funded by airlines and other groups to reduce the risk of accidents, on Friday issued a press release urging the industry to take steps not to “introduce another risk” from the highly flammable batteries powering the electronics.

The concern is that passengers are being told to place electronic devices into cargo holds just as international safety agencies have begun barring bulk shipments of rechargeable lithium cells because of evidence that they can spontaneously catch fire and even explode.

“It’s potentially a transfer of consequential risk,” Greg Marshall, vice president of Global Programs at the safety group, said in an interview. “We’re going to see large numbers of these devices carried in the cargo hold of aircraft that would otherwise have been in the cabin.”

The Federal Aviation Administration logged 31 cases last year in which lithium-based batteries either caught fire or smouldered on airline flights. Three cargo aircraft have been destroyed by fires attributed at least in part to lithium batteries, two of which were fatal accidents, according to the National Transportation Safety Board.

The Department of Homeland Security didn’t immediately respond to a request for comment on the safety foundation’s release.

However, the fears over terrorism are colliding with one of the biggest concerns in airline safety, the worry that highly volatile batteries may ignite and fuel deadly aircraft fires.

The United Nations International Civil Aviation Organization last year concluded that lithium-ion cells were too risky to be carried in bulk on passenger flights after manufacturers Boeing Co. and Airbus SE advised airlines that existing fire suppression systems weren’t adequate to protect planes against lithium fires.

While the terrorist threats may be real, the government should perform a risk analysis and take steps to reduce the potential for battery fires, said John Cox, a safety consultant who has written on the subject of aircraft fires.

Some carriers have allowed passengers to keep their laptops and tablet computers with them until just before departure, gathering them in a bin to be stowed in the cargo hold, Cox said. Placing the devices in such proximity to each other increases the potential risks if one catches fire, he said.

“If they are in the cargo hold and one overheats and goes into thermal runaway, you can’t deal with it,” he said.

Pilots and flight attendants are trained to extinguish a battery fire in the cabin, but wouldn’t be able to reach a blaze in a cargo area, he said.

Passengers should be reminded to switch off electronics if they pack them in checked bags, the Flight Safety Foundation’s Marshall said.

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