UPS plane crash: Search for clues in plane disasters

SOMETHING BEING OVERLOOKED. >> THESE ARE YOUR NORMAL U.P.S. BOXES AND ENVELOPES AND EVERYTHING ELSE THAT WERE ON THAT PARTICULAR SHIPMENT. >> PILOT AND AVIATION SAFETY EXPERT, KEVIN HYATT IS WAITING TO LEARN MORE ABOUT WHAT CAUSED THIS LATEST CRASH. THE THIRD DURING THE 30 DAYS DURING THE CRITICAL APPROACH-AND-LANDING PHASE. ASIANA IN SAN FRANCISCO, SOUTHWEST AT LaGUARDIA. AND NOW THE U.P.S. CARGO PLANE CRASHING BEFORE REACHING THE RUNWAY. >> ARE WE MISSING SOMETHING? IS THERE SOMETHING THAT HAS COME UP IN THE LAST THREE FLIGHTS THAT WE'RE NOT AWARE OF? OR HAVE BEBECOME COMPLACENT? DO WE NEED TO LOOK AT THE TECHNOLOGY? DO WE NEED TO LOOK AT THE HUMAN FACTORS? >> IS THERE A COMMON THREAD, IT'S TOO EARLY TO TELL. ONE THING WILL BE DIFFERENT IN THE ALABAMA INVESTIGATION -- >> THE KEY DIFFERENCE YOU WOULD SAY, THOUGH IS IN THIS CASE, WOULD BE THE CARGO. >> CORRECT. YOU'RE GOING TO TAKE A LOOK TO SEE IF THERE WAS ANY HAZARDOUS MATERIALS IN THIS CARGO. OR ANYTHING THAT WAS PART OF THIS CARGO THAT MIGHT HAVE CAUSED THIS ACCIDENT TO HAPPEN. >> U.P.S. HAS YET TO SAY WHAT WAS ON BOARD. BUT IN 2010, IT WAS A PALLET OF LITHIUM BATTERIES AND OTHER COMBUSTIBLE MATERIALS THAT CAUGHT FIRE. BRINGING DOWN THIS U.P.S. 747 IN DUBAI. ANOTHER CONCERN? HOW CARGO IS SECURED. ALL SEVEN CREW MEMBERS ON THIS 747 DIED THIS YEAR WHEN HEAVY MILITARY VEHICLES ON BOARD SHIFTED ON TAKEOFF. HYATT SAYS SHIFTING CARGO IS NOT LIKELY IN THE ALABAMA CRASH. >> THIS WAS ON, ON ARRIVAL AND NOT TAKEOFF, LIKE THE OTHER? >> CORRECT. OTHER WAS ON TAKEOFF, THE LOAD SHIFTED DUE TO THE AMOUNT OF WEIGHT THAT BROKE THE RESTRAINTS. THIS PARTICULAR CASE, THOSE CANS ARE ACTUALLY STRAPPED OR CLIPPED INTO THE FLOOR. AND THEREFORE, YOU'RE LIKELIHOOD OF A SHIFT IS A LOT LESS. >> WELL ANOTHER QUESTION INVESTIGATORS WILL LOOK AT IS DID PILOT FATIGUE PLAY A ROLE? THE FAA CHANGED THE RULES REQUIRING AIRLINE PILOTS HAVE TEN HOURS OF REST AND LIMIT FLIGHT TIME. BUT THE RULE EXCLUDES CARGO PILOTS. AND THE UNION REPRESENTING