Can a 747 fly with only 2 engines?

Yes, a 747 can fly on two engines. In fact, the Boeing 747 is designed to be able to operate safely and efficiently with only two of its four engines running. This capability allows pilots to continue flying even if one or more of the aircraft's engines fail during flight.



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To meet the power needs of an aircraft with the 747's weight and carrying capacity, four engines were required. They were also required for long over ocean flights, to insure that the aircraft could make landfall in the event of a loss of an engine...

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The Boeing 747-400 experiences the least degradation in performance, making it safer during an engine failure. Fitting an aircraft with four engines also increases power, enabling more passengers, heavier payloads, and increased performance.

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However, there was once a time when the American manufacturer was also working on a shortened variant with three engines. Although the project was scrapped quite early on in its development, it makes for an interesting story. Let's check out the story behind the failed Boeing 747 trijet below.

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Without engine thrust, the 747 had a glide ratio of 15:1, meaning it can glide forward 15 kilometres for every kilometre it drops.

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Flying at a typical altitude of 36,000 feet (about seven miles), an aircraft that loses both engines will be able to travel for another 70 miles before reaching the ground.

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The Boeing 747 was discontinued as demand for the aircraft slowed as airlines favoured more efficient and slightly smaller aircraft such as the Airbus A350 and Boeing 777 aircraft.

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If both engines fail, the aeroplane is no longer being pushed forwards through thrust, therefore in order to keep the air flowing over the wings, the aircraft must exchange energy through losing altitude (descending) in order to maintain forward airspeed.

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How long can a 747 fly without engines? For example, with a glide ratio of 15:1, a Boeing 747-200 can glide for 150 kilometres (93 mi; 81 nmi) from a cruising altitude of 10,000 metres (33,000 ft).

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Also known as the Queen of the Skies, the 747 boasts a maximum fuel capacity of 63,000 gallons with slight variations between models. With today's fuel prices, it costs about $450,000 to fill up a Boeing 747, depending on your market.

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Is it true that you can barrel roll a 747? Of course! I met Tex Johnston, the famous Boeing test pilot who did a barrel roll over Seattle in the Boeing 707 prototype, which was the Boeing 367–80 (called “The Dash 80 for short).

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November 27, 1983: An Avianca 747-200 crashed while on approach to the airport in Madrid, Spain, killed 181 of the 192 people on board. June 23, 1985: An Air India 747-200 blew up over the Atlantic Ocean near Ireland, killed all 329 people on board. The plane, en-route to Bombay, was destroyed by a bomb.

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In a ceremony that was broadcast live online, the aircraft was handed over to its new owner, US air cargo operator Atlas Air, at Boeing's plant in Everett, Washington.

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Techincally, there is only one way for the aircraft to remain hanging motionless in the air: if weight and lift cancel each other out perfectly, and at the same time thrust and drag cancel each other out too. But this is incredibly rare. To stay in the air and sustain its flight, an aircraft needs to be moving forward.

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Passenger jet pilots do not shut down any of the aircraft's engines without a solid reason. They may be forced to do so in the event of failure or even a relatively minor technical malfunction to avoid further damage and larger problems.

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According to flight attendant Brenda Orelus, the dirties place on an airplane is not the lavatory or the tray tables. It is the seat-back pockets. IN a video that Orelus posted on TikTok she revealed to her more than 100,000 followers that the pockets are full of germs and are almost never cleaned.

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All aircraft toilet can be locked/unlocked from outside. The doors can also be locked in the open or closed position for bi-fold doors and locked closed for other types.

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