Military and Strategic Journal
Issued by the Directorate of Morale Guidance at the General Command of the Armed Forces
United Arab Emirates
Founded in August 1971

2020-07-05

Boeing’s New Initiative Protects Passenger Health

Boeing aims to address passengers concerns about flying due to COVID-19 through its Confident Travel Initiative (CTI) where the company will work with stakeholders across the aviation industry’s eco-system to establish industry-recognised cleaning and disinfecting recommendations. 
 
One of the most significant contributors to this is the air filtration system, which incorporates High-Efficiency Particulate Air (HEPA) filters that are already present on all commercial airplanes that Boeing delivers and are similar to filters used in hospitals. 
 
Half of the cabin air is from outside the airplane and half is recirculated from inside the cabin. Before recirculated air is returned to the cabin, it passes through the HEPA filters.
Air flows from the ceiling to floor, not front to back, which helps minimise particulates spreading throughout the cabin. This recirculation happens approximately 20-30 times an hour, or once every two to three minutes.
 
Although HEPA has not yet been tested with the COVID-19 virus, according to Mayo Clinic, the average size of a COVID-19 particle is 0.12 – 0.125 microns and HEPA filters have been tested at these particle sizes and shown the efficiency to be more than 99.9+ per cent.
 
Boeing is also evaluating research regarding ultraviolet cabin disinfection.
 

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