Does the Dreamliner break the sound barrier?

“Fair winds and following seas” ? a Virgin Atlantic's Boeing 787-9 Dreamliner reached a thrilling speed of 801 mph while flying over the United States. While this ground speed seemingly leaves behind the speed of sound (767 mph), the jetliner did not, in fact, magically turn supersonic.



People Also Ask

Due to heavy tailwinds approaching 200 mph (322 kph), the ground speed was calculated to have exceeded the speed of sound. However, did the 787 truly fly supersonic relative to the air? The answer is no.

MORE DETAILS

Supersonic fighter/attack jets Supersonic fighters and related aircraft are sometimes called fast jets. They make up the overwhelming majority of supersonic aircraft and some, such as the Mikoyan-Gurevich MiG-21, Lockheed F-104 Starfighter and Dassault Mirage III, have been produced in large numbers.

MORE DETAILS

The Dreamliner's lightweight composite structure contributes to reduced noise levels, both inside and outside the aircraft. The use of advanced soundproofing materials and quieter engines keeps the cabin environment more tranquil for passengers.

MORE DETAILS

The 787's latest problem mirrors production issues discovered over 2020 and 2021 that included improperly fitted shimming that led to paper-thin gaps between surfaces on the Dreamliner's fuselage.

MORE DETAILS

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.

MORE DETAILS

The enhanced efficiency and performance of the 787 reduce fuel use and emissions by up to 25% compared with the airplanes it replaces, depending on the configuration.

MORE DETAILS

The carbon-fibre structure of the 787 allows the aircraft to be pressurized to a much higher level than on many other aircraft types. The lower the cabin altitude, the better you feel both during and after the flight, allowing your body to adjust to your new time zone more quickly.

MORE DETAILS

Allowing the wings to flex improves aerodynamic stability. The aircraft is more streamlined and experiences less drag. It helps provide a smoother ride for passengers and minimize turbulence. The 787 fly-by-wire technology also helps here to automatically raise or lower the wing trailing edge during the cruise.

MORE DETAILS

And the jet pilots don't feel a sonic boom from the cockpit, just as passengers on a boat don't feel the effects of the wake behind them, she added.

MORE DETAILS

The airplane's unparalleled fuel efficiency and range flexibility enables carriers to profitably open new routes as well as optimize fleet and network performance. And for their passengers, an experience like none other in the air, with more comfort and less fatigue. The Dreamliner effect. That's a better way to fly.

MORE DETAILS

To put it into actual time, a Boeing 787 Dreamliner is certified for ETOPS-330. This means that the plane can fly on routes that take it 330 minutes from the nearest suitable airport for landing. To put this in perspective, the 787 can fly for five and a half hours on one engine.

MORE DETAILS

Also known as the Dreamliner, the Boeing 787 is revered for having helped kick off the current generation of air travel, building upon the twin-engine, long-range revolution.

MORE DETAILS

2 Boeing 787 Dreamliner The Dreamliner's lightweight composite structure contributes to reduced noise levels, both inside and outside the aircraft. The use of advanced soundproofing materials and quieter engines keeps the cabin environment more tranquil for passengers.

MORE DETAILS

But pilots are not robots, and they rarely become completely adjusted, says Landells. “Sensible rostering helps but if you are a long-haul pilot you know that for at least half your days off between flights you are going to feel awful.

MORE DETAILS

Adjust your sleep-wake schedule: Getting on the sleep-wake schedule at your destination quickly may help with jet lag symptoms. Focus on getting quality sleep: Sleeping on the plane, if you can, may help your body adjust faster to a new time zone.

MORE DETAILS

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.

MORE DETAILS