The Boeing Company
Split level forward double deck airliner

Abstract:

An aircraft includes a fuselage, having a crown section and a keel, a first passenger cabin, having a first floor, located in an aft portion the fuselage, and a first cargo deck, located below at least a portion of the first passenger cabin. A forward split level cabin including an upper second cabin having a second floor above the level of the first floor, and a lower third cabin beneath the upper second cabin and having a third floor below the level of the first floor. A second cargo deck is located in the forward portion of the fuselage and beneath at least a portion of the lower third cabin. The crown section has a substantially constant cross-sectional shape fore-to-aft above the first passenger cabin and the split level cabin.