Aviation expert analyzes details surrounding tragic Learjet crash

Aviation expert Ken Christensen discusses the investigation into a deadly Learjet crash in Florida, explaining flight physics and the cockpit's final moments, on 'America Reports.'

Aviation expert Ken Christensen joins co-anchors Sandra Smith and John Roberts to analyze the ongoing investigation into a deadly Learjet crash in Florida. Christensen explains the 'coffin corner' aerodynamic hazard at high altitudes and examines the final cockpit transmissions before the plane nosedived.