United Airlines to Filter Aircraft Air During Boarding Process

By Kurt Stolz on 20 July 2020
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United Airlines passengers boarding the airline’s final Boeing 747 flight

United Airlines said Monday that it would increase the air circulation on its aircraft as the travel industry’s efforts to limit the spread of the coronavirus during the pandemic continue.

The airline said it will leave its high-efficiency particulate air, or HEPA, filtration systems running as passengers enter and leave the aircraft.  The new policy will be in effect on most of the planes in its fleet and will go into effect next week.

“The quality of the air, combined with a strict mask policy and regularly disinfected surfaces, are the building blocks towards preventing the spread of Covid-19 on an airplane,” said the airline’s CEO, Scott Kirby, in a statement. “We expect that air travel is not likely to get back to normal until we’re closer to a widely administered vaccine – so we’re in this for the long haul.”

Developed in the 1950s, HEPA is a standard that specifies what a filter must remove from the air that passes through it.  The U.S. HEPA standard specifies that 99.97% of particles whose diameter is equal to 0.3 microns.  The European standard specifies that 99.95% of such particles must be removed.

(Photo: Accura Media Group)

Accura News

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