81.   The chemical reaction they use to make oxygen also creates tremendous heat, and in an airtight space like a cargo hold, the oxygen will feed a fire.

82.   The board issued an emergency recommendation soon after the crash for installation of smoke detectors and fire suppression systems in cargo holds that lack them.

83.   The current theory on the TWA crash is that a bomb went off in the cargo hold.

84.   The cargo hold is of particular interest because some investigators say they believe that a bomb in a piece of luggage there exploded and brought down the plane.

85.   The FAA has banned air shipments of oxygen generators and adopted a NTSB recommendation to require the installation of smoke detectors and fire suppression systems in all cargo holds.

86.   The fire began in the cargo hold, caused by oxygen generators improperly packaged and identified at a repair station.

87.   The generators sparked a fire in the cargo hold, causing the jet to crash into the Everglades, investigators for the Federal Aviation Administration concluded.

88.   The hijackers told him that they had a bag or two in the cargo hold, he said.

89.   The front cargo hold contained only checked luggage, according to investigators.

90.   The machine gives screeners a better image of luggage contents and lets airlines search every bag being placed in plane cargo holds.