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Global Warming causing possible delays to Air Cargo Per Air Cargo World publication

Posted on 31 July 2017
Global Warming causing possible delays to Air Cargo Per Air Cargo World publication

As published by Air Cargo World on July 21st, rising global temperatures could snarl cargo operations.  You can find the article here on AirCargo World's website as well as below.  

Heat waves generated by global warming could ground nearly a third of flights during the hottest days, forcing carriers to jettison cargo in order to take off, according to a study in this month’s Climatic Change. Cargo stalwarts, such as the 777-300, are expected to experience the greatest impact, due to their size. High-volume freight hubs located in hot climates, like Dubai, could see delays for up to 30 percent of the airport’s departures.

Extreme heat last month in Phoenix, in the dry southwest region of the United States, led to the cancellation of nearly 50 flights over two days in June, providing an early indicator of global warming’s impact on the aviation industry. As temperatures approached 120°F, American Airlines was forced to ground dozens of planes at Sky Harbor International Airport.

Now, researchers associated with the Northeast Climate Science Center and the Logistics Management Institute and are saying that this could be a common occurrence in a matter of decades.

“As air temperatures rise at constant pressure, air density declines, resulting in less lift generation by an aircraft wing at a given airspeed and potentially imposing a weight restriction on departing aircraft,” said the report by Coffel, et al. “Our results suggest that weight restriction may impose a non-trivial cost on airlines and impact aviation operations around the world.”

The report found that, on average, 10 to 30 percent of annual flights departing at the time of daily maximum temperature “may require some weight restriction below their maximum takeoff weights, with mean restrictions ranging from 0.5 to 4 percent of total aircraft payload and fuel capacity by mid- to late century.”

A 2015 study by the same researchers predicted that 737-800 weight-restricted departures are likely to increase by 100 to 300 percent at several airports in the U.S. in the coming decades.

The impact of rising temperatures will play out in line with regional temperatures and airport infrastructure. The study found, for example, that LaGuardia in New York would be especially impacted due to its short runways. Dubai (both DWC and DXB), on the other hand, is expected to experience significant delays due to its already hot, and heating, climate.