While Travis Barker and DJ AM were critically injured in a plane crash Friday night, it cost the lives of two crew members and two other passengers.

A coroner in South Carolina, where the crash of the Learjet occurred, has determined that the pilot and co-pilot died from smoke inhalation and burns while the two passengers were killed by impact-related injuries.

Barker, the former drummer for Blink 182, and DJ AM, suffered second and third degree burns from the incident but are expected to make full recoveries. Barker has burns on his torso and lower body and DJ AM has burns on his arm and part of his head.

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