Asiana Airlines crash at San Francisco airport

Based on witness accounts in the media and video of the wreckage of Asiana Airlines Flight 214, aviation expert Mike Barr speculates that the Boeing 777 approached the runway too low and some part of the plane may have caught the runway lip — the seawall at the end of the runway. Barr, a former military pilot and accident investigator, teaches aviation safety at USC.

Asiana Airlines crash at San Francisco airport