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EMAS (Engineered material Arrestor System) Compiled by : Capt. Arun Kumar (G.I, HICA, Karnal)An engineered materials arrestor system or engineered materials arresting system (EMAS) is a bed of engineered materials built at the end of a runway.
Engineered materials are defined as "high energy absorbing materials of selected strength, which will reliably and predictably crush under the weight of an aircraft".
While the current technology involves lightweight, crushable concrete blocks, there is no regulatory requirement that this material be used for EMAS.
The purpose of an EMAS is to stop an aircraft overrun with no human injury and minimal aircraft damage. The aircraft is slowed by the loss of energy required to crush the EMAS material.
EMAS is intended to stop aircraft that have overshot a runway when there is an insufficient free space for a standard runway safety area (RSA).
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