| 摘要 |
An upper deck shell is provided on a main deck shell in the aft region of the fuselage (10). In the aft region (18), an upper deck (38) is provided above the main deck (36). Passenger seats (Sm, Su) are provided on both the main deck (36) and the upper deck (38). A transition region (54) is provided in which a stairway (58) is located. The stairway permits passengers and crew to move between the main deck (36) and the upper deck (38).
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