| 摘要 |
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. |
| 主权项 |
1. An aircraft (20, 200) comprising:
a fuselage (22, 222); a first passenger cabin (32, 204, 304, 404, 504, 604, 704, 804) having a first floor (38, 207); a split level cabin (35) located in the fuselage (22, 222) forward of the first passenger cabin (32, 204, 304, 404, 504, 604, 704, 804), the split level cabin (35) including an upper second cabin (34, 206, 306, 406, 506, 606, 706, 806) having a second floor (40, 208) above a level of the first floor (38, 207), and a lower third cabin (36, 210, 310, 410, 510, 610, 710, 810) beneath the upper second cabin (34, 206, 306, 406, 506, 606, 706, 806) and having a third floor (42, 212) below the level of the first floor (38, 207); and a lower hold compartment (46, 214) located beneath at least a portion of the lower third cabin (36, 210, 310, 410, 510, 610, 710, 810). |
