ROTARY WING AIRCRAFT WITH A FIREWALL ARRANGEMENT
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United States of America
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Issued Date -
Dec 30, 2021
app pub date -
Mar 3, 2021
filing date -
Mar 3, 2021
priority date (Note) -
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Abstract
A rotary wing aircraft with a fuselage that comprises an upper primary skin and an aircraft upper deck arranged above the fuselage, wherein the aircraft upper deck comprises a firewall arrangement that defines a fire proof separation at least between at least one aircraft engine and an aircraft interior region, wherein the firewall arrangement comprises at least one funnel-shaped lower firewall that is arranged between the at least one aircraft engine and the upper primary skin of the fuselage, wherein the at least one funnel-shaped lower firewall converges from an outer perimeter to at least one inner collecting point, and wherein the outer perimeter is spaced apart from the upper primary skin of the fuselage.
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