Passage: The Boeing 747 is a large, wide-body (two-aisle) airliner with four wing-mounted engines. Wings have a high sweep angle of 37.5 degrees for a fast, efficient cruise of Mach 0.84 to 0.88, depending on the variant. The sweep also reduces the wingspan, allowing the 747 to use existing hangars. Its seating capacity is over 366 with a 3<unk>4<unk>3 seat arrangement (a cross section of 3 seats, an aisle, 4 seats, another aisle, and 3 seats) in economy class and a 2<unk>3<unk>2 layout in first class on the main deck. The upper deck has a 3<unk>3 seat arrangement in economy class and a 2<unk>2 layout in first class. Mubvunzo: Ndezvipi zvigaro zviri mukati meBoeing 747?
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