Introduction THESE are made from a poly plastic synthetic material, which is double lined and down stitched. There is usually a hard plate of plastic on the bottom of the chute where likely abrasion of the chute would occur, and this also serves as a weight.
Chutes take about 10 seconds to deploy usually, but take slightly longer for larger aircraft, and especially longer for the boeing 747 upper deck emergency evacuation chutes.
B747 Evacuation Chutes Although most chutes deploy and can be navigated with relative ease in an expeditious manner, the chutes for the upper deck of a Boeing 747 are very high up, and are very difficult to evacuate by.
Evacuation via these chutes, two on each, starboard and port sides of the aircraft are known to cause the most evacuation injuries of a whole aircraft?mergency deplaning.
Emergency exits over the wings of smaller aircraft are notoriously difficult to operate. The obese, under-16s or stably infirm cannot travel in seats directly on the exit row nearest the emergency over wing exit.
These exit doors need to be released and then either thrown out or rested on a seat inside the aircraft. Being up to 50 pounds in weight, they are very difficult to operate in the easiest of circumstances.
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