AIR CUSHION LANDING SYSTEM AND METHOD OF OPERATION
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United States of America Patent
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app pub date -
Sep 22, 2009
filing date -
Mar 23, 2007
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Abstract
An aircraft air cushion landing system (2) includes a skirt (6) defining a plenum (22) on an underside of the aircraft, a plenum fan (26) arranged to induce an airflow into the plenum (22) and controller configured to control operation of the plenum fan (26). The controller includes a sensor (30) adapted to sense an imminent landing event and a fan control system (28) configured to automatically operate the plenum fan (26) to provide a first flow in a first direction out of the plenum (22) so that as the skirt (6) engages a landing surface air is being evacuated from the plenum (22). A method also operates such a system (2).
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