NTSB investigating laptop batteries as the cause of UPS cargo plane fire

Washington (DC) - Laptops get hot, but can they cause a plane to catch on fire ? The National Transportation Safety Board (NTSB) is investigating whether laptop batteries caused a UPS cargo plane to catch on fire last February. The DC-8 plane with three crew members made an emergency landing at Philadelphia International Airport after a fire broke out in the cargo hold. The fire continued to burn for four hours destroying the plane and most of the UPS packages inside.

UPS Flight 1307 burns on the tarmac of Philidelpha International Airport

Luckily, the crew on board UPS flight 1307 escaped with only minor injuries. In the accident investigation, NTSB officials have concluded that lithium batteries and a flammable liquid were in the cargo hold, but have not yet determined the exact cause of the fire. The investigation is expected to take several more months to complete.

The NTSB held separate public hearings about the fire on July 12 and 13th. The hearings didn’t focus on whether the batteries were the cause of the fire, but rather how batteries are made and how they can fail.

FAA official William Wilkening testified that there have been 60 incidents since 1991 that involved batteries catching on fire, smoking or getting hot. According to Wilkening, most of the batteries were lithium or lithium-ion. He added that in the past ten years the FAA has given 49 fines totaling $517,000 for improper packaging of lithium batteries. Harry Webster with the FAA Technical Center testified that lithium-ion batteries could vent flammable liquid and "pose a risk to the cargo compartment."

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