Published: Jul 07, 2013 5:22 PM EDT

A federal safety official says the cockpit voice recorder from Asiana Airlines Flight 214 showed the jetliner tried to abort its landing and come around for

another try 1.5 seconds before it crashed at San Francisco airport.  National Transportation Safety Board chief Deborah Hersman says at a news conference

Sunday the recorder also showed there was a call to increase airspeed roughly two seconds before impact.  Before that, she says, there was no indication in

the recordings that the aircraft was having any problems.  The jetliner carrying 307 people crashed Saturday, killing two passengers and injuring dozens of

other people.

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