A structural component for example an aircraft door or aircraft body section is cast of lightweight metals as an integral structure with an outer skin reinforced by {TAIL ~ stiffening ribs} forming a first grid structure and by stiffening walls forming {HEAD ~ a second gird structure} integrally connected to the first grid structure as a result of casting 
A structural component for example an aircraft door or aircraft body section is cast of lightweight metals as an integral structure with an outer skin reinforced by { TAIL ~ stiffening ribs } forming a first grid structure and by stiffening walls forming { HEAD ~ a second gird structure } integrally connected to the first grid structure as a result of casting
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