undershoot(redirected from undershoots)
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The amount by which a system's response to an abrupt change in input falls short of that desired.
i. A faulty approach of an airplane, which if continued, will result in its landing short of the desired point.
ii. The failure to capture a desired flight condition (air speed, altitude) by falling short when approaching that value from below.
iii. Aircraft weapons impacting short of the desired point of impact.
iv. An area short of a runway or a taxi track. underslung
i. Loads carried by a helicopter that are slung below it by a cable.
ii. A helicopter rotor with its center of gravity below the point at which the rotor is attached to the mast.