Why were Dreamliners grounded?

On January 17th, 2013, the FAA ordered the entire 787 fleet across all airlines to be grounded, and the NTSB launched an investigation. The culprit was eventually identified as a lithium-ion battery. A cell within the battery was believed to have short-circuited, causing what is known as a thermal runaway.



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While the 787 Dreamliners have not been grounded, the FAA had ordered a halt to deliveries of the widebody jet between May of 2021 and July of 2022 as it looked into questions about quality control during its assembly process.

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They were part of a group of 35 Boeing 787s that were grounded because of problems with their engine blades, which were cracking or corroding prematurely.

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The latest announcement brings back memories of the delivery drought that affected Boeing's 787s not too long ago. Deliveries of the Boeing 787 were stopped by the FAA in May 2021 after production flaws surfaced and concerns over Boeing's inspection methods.

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Infact it can fly for around 60 miles if it loses its engines at a typical cruise altitude of 36,000ft.

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The Dreamliner is a successful aircraft, still in production with more than 1600 delivered or on order. The list price for a new Boeing 787-8 is $239 million dollars. Yet even as international travel opens again for these long-range aircraft, two Dreamliners barely ten years old are waiting for the wrecker's ball.

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Therefore, the ERJ135/140/145 members of the family are among the safest airliners in history. The Airbus A340 is also one of the safest, with no fatal accidents involving any of the 380 units since its introduction in March 1993.

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This high aspect ratio wing design combined with efficiency enhancing raked wing tips allow the 787 to be one of the fastest commercial aircraft (Mach 0.85 cruise speed) while consuming less fuel than today's comparably sized aircraft.

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The typical lifespan of airliners The composite-driven Boeing 787 Dreamliner is designed for 44,000 flight cycles. These jets can theoretically last several decades with an average of two flight cycles a day. Unlike commercial airliners, fighter jets are unique due to their mission requirements.

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To combat the sound of jet-blast from the rear of the engine, Boeing, General Electric, and NASA developed serrated edges called chevrons for the back of the nacelle and the engine exhaust nozzle. The chevrons reduce jet blast noise by controlling the way the air mixes after passing through and around the engine.

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A report in 2021 revealed that Boeing Dreamliners are among the world's safest planes in terms of accidents. There have been no fatalities or events involving extensive damage during more than a decade of flights using the model.

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The Bottom Line: The Airbus A350-900 and Boeing 787-9 are very similar aircraft, suited for similar missions. As one would expect, the slightly larger A350-900 has a seat-mile cost advantage, while the 787-9 has an advantage in cost per block hour. These aircraft are competitive, and nearly tie in economic performance.

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The Boeing 787-10 can fly for more than 6,400 miles without needing to refuel.

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Boeing 787 Dreamliner With its different variants, the Dreamliner can fly faster than most passenger aircraft on the market today. It is capable of flying at 690 mph (Mach 0.9), making it one of the fastest jetliners. The 787 family is operated by over 39 different carriers.

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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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Dreamliners usually cruise at 561 miles per hour. There is bad news, if you're flying westbound, headwinds might delay your flight.

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The Air Inside The cabin pressure on the 787 is higher and the humidity higher than other airplanes. Basically, passengers on board will feel like they are at an altitude of 6,000 feet, 2,000 feet lower than a standard flight.

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Seat Information There are 9 toilets, 1 in the front, 6 in the middle, and 2 in the back.

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In July 2003, a public naming competition was held for the 7E7, for which out of 500,000 votes cast online the winning title was Dreamliner.

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