While NTSB investigators look closely into the actions of the flight crew for potential causes behind the July 6 Asiana Airlines Boeing 777-200ER accident, safety experts working on the other side of the cockpit door are already learning valuable new design lessons for crash survivability. Although all but two of the 307 passengers and crew survived the ordeal, more than 180 were injured, several of them critically. Therefore, while looking into why the crash occurred in the first place, the investigation is focusing just as closely on why these injuries and deaths were sustained, and it has already unearthed troubling concerns about the functionality of the aircraft's main exit escape slides.
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