Double-deck aircraft

Double-deck aircraft
Double-deck aircraft
Boeing 377 Stratocruiser (B-29) American Overseas 1949-50.jpg
American Overseas "Flagship Denmark" Boeing 377 Stratocruiser
An Airbus A380 at the Paris Air Show in 2005

A Double-deck aircraft has two decks for passengers; the second deck may be only a partial deck, and may be above or below the main deck. Almost all commercial aircraft have one passenger deck and one cargo deck for luggage and ULD containers, but only a few have two decks for passengers, typically above a third deck for cargo.



Many early flying boat airliners, such as the Boeing 314 Clipper and Short Sandringham, had two decks. Following World War II the Stratocruiser, a partially double-decked derivative of the B-29 Superfortress, became popular with airlines around the world.

The first double-deck jet airliner was the widebody Boeing 747, with the top deck smaller than the main level. Boeing originally designed the distinctive 747 bubble top for defense and commercial air cargo. The small top deck permitted the cockpit and a few passengers and nose doors with unobstructed access to the full length of the hold. Most 747s are passenger jets, and a small percentage are cargo jets with nose doors.

The new widebody Airbus A380 has two passenger decks extending the full length of the fuselage, as well as a full-length lower third deck for cargo. Singapore Airlines took delivery of the first A380-800 in a ceremony in Toulouse, France. SIA had fitted them with 12 private luxury suites and two double beds.[1]

List of double-deck aircraft

A JAL 747 with trademark "hump" formed by upper deck
Double-deck flying boats
Partial second passenger deck
Full second passenger deck
Cargo aircraft with a separate passenger deck
Double-deck cargo aircraft

See also


External links

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