Patent ID: 8434717

Claim:
An aircraft front portion including a sealed bulkhead separating a non-pressurized radome area from a pressurized area, wherein said sealed bulkhead is delimited by two surfaces opposite to each other one being substantially concave when it is seen from said radome area and the other one being substantially convex when it is seen from said pressurized area, wherein said sealed bulkhead is removably mounted on a fuselage skin, said sealed bulkhead comprises an end extending along the periphery of said bulkhead, said end being maintained in abutment against said fuselage skin by the pressure difference between said pressurized area and said non-pressurized radome area, further comprising a fuselage structure frame fixedly mounted on said fuselage skin and having an abutment portion receiving said end of the sealed bulkhead, wherein a plurality of blocking components are fixedly mounted on said frame so as to maintain in position said end of the sealed bulkhead.