FAA to change how some planes land in a bid to reduce emissions.

In an effort to reduce emissions and make air travel more environmentally friendly, the Federal Aviation Administration (FAA) has announced a significant change in the way some planes land at US airports. This transformative shift is aimed at not only decreasing carbon emissions but also enhancing the passenger experience during landings. In this article, we'll delve into the details of the FAA's new approach known as "Optimized Profile Descents" (OPDs) and explore its environmental and practical implications.

The Current Landing Procedure

Currently, most planes descending for landing at airports employ a stepped method. This approach involves a series of leveling off and engine acceleration during the descent. While effective, it consumes a significant amount of fuel and generates unnecessary emissions.

The Innovative Approach: Optimized Profile Descents (OPDs)

Under the FAA's new initiative, OPDs, planes will descend from cruise altitude to the runway in a smoother and continuous path with engines set to idle. This change will result in a glide-like descent rather than a stair-step approach.

FAA spokesman Matthew Lehner aptly compared the difference, stating, "If you just think about what takes more energy, going downstairs or sliding down a slide, that's basically what the plane does."

A Greener Future for Aviation

The implementation of 42 new OPDs is a significant step towards achieving the FAA's goal of net-zero greenhouse gas emissions aviation sector by 2050, as outlined in the US Aviation Climate Action Plan. Transportation Secretary Pete Buttigieg announced this ambitious plan at the United Nations Climate Change Conference in the previous year.

One of the most notable benefits of OPDs is the substantial reduction in fuel consumption and emissions. "There's less fuel burn as you glide toward the airport approach," Lehner explained. "It also means that with less fuel burned, you get fewer emissions into the air."

Real-World Impact

The positive environmental impact of OPDs is already evident. In 2013, researchers from the FAA and the Georgia Institute of Technology conducted a study at Los Angeles International Airport, where OPDs reduced approximately 41 million pounds of carbon dioxide emissions and saved 2 million gallons of jet fuel in just one year. This is equivalent to cutting 1,300 flights from Atlanta to Dallas, according to the FAA.

Expanding Implementation

The FAA has been actively implementing OPDs at various airports nationwide. In 2021, airports like Dallas-Fort Worth International Airport, Miami International Airport, and Orlando International Airport in Florida started using this approach. In the coming year, the FAA plans to extend OPDs to LaGuardia Airport in New York, Kansas City International Airport in Missouri, and Eppley Airfield in Omaha, Nebraska. Additionally, they will be adding more routes to Orlando International Airport.

Passenger Benefits

Besides the environmental advantages, passengers are likely to notice a smoother and quieter landing experience with OPDs in place. With engines set to idle, there won't be the constant revving sound typically associated with descents. This quieter approach is not only more comfortable for passengers but also contributes to a quieter environment around airports, benefitting nearby communities.

Conclusion

The FAA's introduction of Optimized Profile Descents represents a significant leap towards a more sustainable and eco-friendly aviation industry. By reducing emissions and enhancing passenger comfort, this innovative approach aligns with the agency's commitment to net-zero greenhouse gas emissions aviation sector by 2050. As OPDs continue to be implemented at airports across the country, we can look forward to a greener and quieter future for air travel.

FAQs

What is the FAA's goal with Optimized Profile Descents (OPDs)?

The FAA aims to reduce carbon emissions and make the aviation sector more environmentally friendly by implementing OPDs. This initiative is part of the US Aviation Climate Action Plan, with the ultimate goal of achieving net-zero greenhouse gas emissions aviation sector by 2050.

How do OPDs benefit the environment?

OPDs reduce fuel consumption and emissions significantly during the descent phase of flights. Studies have shown that they can lead to substantial reductions in carbon dioxide emissions and jet fuel usage.

Which airports have already implemented OPDs?

Airports such as Dallas-Fort Worth International Airport, Miami International Airport, and Orlando International Airport in Florida have already adopted OPDs. The FAA plans to expand the implementation to more airports in the near future.

How does the passenger experience improve with OPDs?

Passengers can expect a smoother and quieter landing experience with OPDs. The continuous descent with engines set to idle eliminates the need for constant engine revving, making the descent more comfortable and less noisy.

What are the long-term benefits of OPDs for aviation?

In the long term, OPDs contribute to a greener and more sustainable aviation industry. By reducing emissions and fuel consumption, they align with the aviation sector's efforts to combat climate change and create a more environmentally friendly travel experience.