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23 mar 2019 · In the 1950s, the pinnacles of piston-powered propliners crisscrossing the oceans were the Douglas DC-7C, Lockheed Super Constellation and the Boeing Model 377 — and only the latter was a double-decker.
The first full double-deck aircraft was the French Breguet Deux-Ponts, in service from 1953. The first partial double-deck jet airliner was the widebody Boeing 747, in service from 1970, with the top deck smaller than the main deck.
31 sty 2017 · The aircraft's double-decker layout allows for airlines like Emirates, Etihad, and Korean Air to install onboard lounges.
The Airbus A380 is a very large wide-body airliner that was developed and produced by Airbus. It is the world's largest passenger airliner and the only full-length double-deck jet airliner. Airbus studies started in 1988, and the project was announced in 1990 to challenge the dominance of the Boeing 747 in the long-haul market.
The new Boeing 777X will be the world’s largest and most efficient twin-engine jet, unmatched in every aspect of performance. With new breakthroughs in aerodynamics and engines, the 777X will deliver 10 percent lower fuel use and emissions and 10 percent lower operating costs than the competition.
19 lis 2021 · Boeing just showed off its 777X flagship, the world's new largest twin-engine passenger jet — take a closer look at the $442.2 million plane
Airbus A380-800. The Airbus A380 is a double-deck, wide-body, four-engine jet manufactured by Airbus Industrie, the European consortium. It is the world's largest commercial passenger aircraft and the upper deck extends along the entire length of the fuselage.
