Crash Floors

Comparison of Twin Towers' 95th and 80th Floor Cores

The North Tower's jetliner impact was centered at about the 95th floor, whereas the South Tower's was centered at about the 80th floor.

Compare the following two core floor plans extracted from the North Tower blueprints. The core columns were about twice as large at the Towers' 80th floor level as at their 95th floor level.

95th Floor Core Plan

80th Floor Core Plan