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New FAA rules for smoother descent assist airlines

Last year, the Federal Aviation Administration established an optimized profile descent at 42 airports with the goal of saving millions of gallons of fuel and reducing CO2 and other emissions. Another advantage is less noise.

Let’s truncate the technical terms. Optimized Profile Descent (OPD) is a new flight technology that allows an airplane to descend from cruising altitude to the runway on a smooth, continuous slope with the engine set to near idle. In other words, pilots flying to these 42 airports can glide safely instead of using previously performed fuel-consuming staircase procedures.

In the traditional stepped approach, the aircraft repeatedly level and power the engine. This will burn more fuel and the air traffic controller will have to give instructions at each stage.

The new descent procedure consumes less fuel and provides passengers with a smoother approach. You can also keep the aircraft at higher altitudes for longer periods of time. Less engine speed means less noise when the plane is close to the ground (about 3 to 6.5 decibels).

For each group of descents used at the airport, the FAA estimates that it will save an average of 2 million gallons of fuel annually and reduce emissions by £ 40 million. This is equivalent to reducing fuel and CO2 emissions on 1,300 Boeing 737 flights from Atlanta to Dallas.

In 2021, the FAA implemented an efficient descent procedure for Dallas Fort. Worth International Airport, Fort Lauderdale-Hollywood International Airport, Harry Reed International Airport in Las Vegas, Lakehurst Maxfield Field in New Jersey, Lovefield in Dallas, Miami International Airport, North Las Vegas Airport, Orlando International Airport, Port Columbus International Airport, Port Land International Jetport, Tampa International Airport, and numerous medium-sized airports.

Since 2014, FAA has also developed OPD procedures at airports in Atlanta, Charlotte, Cleveland, Denver, Detroit, Houston, Northern California, Southern California, and Washington, DC. More OPD procedures will be added in 2022.

FAA has several new flight procedures that reduce fuel consumption and noise by improving route accuracy.

In November, the United States is the first inclusive Aviation Climate Action Plan To achieve net zero emissions by 2050. FAA at the beginning of 2021 Announced over $ 100 million Matching grants to increase aircraft efficiency, reduce noise and aircraft emissions, and carry out development and implementation New software To reduce taxi delays.White house too Grand Challenge for Sustainable Aviation FuelA government-wide initiative designed to promote production of at least 3 billion gallons annually by 2030.

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https://www.freightwaves.com/news/how-are-aircraft-saving-jet-fuel-with-gradual-descents New FAA rules for smoother descent assist airlines

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