Duncan Aviation's ACA ionisation system

Duncan Aviation’s Engineering & Certification Services and Parts Manufacturer Approval (PMA) departments have created an installation package for the Aviation Clean Air (ACA) ionisation system for Challenger 300 and 350 aircraft.

The packages include everything necessary for installing the ACA Ioniser system, including the Supplemental Type Certificate (STC), the ionisers, and PMA parts kits.

“Although our facility in Lincoln, Nebraska, has been modifying the air ducts for the installation, any of Duncan Aviation’s three main facilities or many of the company’s 27 Satellite Shops, are able to perform the necessary modifications prior to installing the ACA Ioniser system,” commented Pat Mapes, Manager of Avionics Install & Avionics Line. “When we say the kit includes everything, we mean every screw, nut, bolt, and switch necessary for the installation.”

The teams have also created ACA Ionisation installation packages for the Global models. Kits are currently available for those aircraft and can also be installed at any of the three main Duncan Aviation facilities or Satellite Shops. Additional STCs and PMA kits are in work for the Falcon 2000 and 7X models and should be available in the coming months.

Designed to be installed in an aircraft’s existing environmental control system, the ACA ionisers operate in the aircraft’s ductwork. The ionised hydrogen molecules neutralise pathogens and remove allergens and unpleasant odours, including those from pets, cigarette and cigar smoke, engine exhaust, cooking, lavatories, and VOCs (volatile organic compounds).

In May 2020, testing conducted by independent lab Innovative BioAnalysis found the ACA ioniser effective at rendering harmless the novel coronavirus that causes COVID-19. The lab test showed that 99.4% of the virus particles were inactivated within 30 minutes. The system has been tested and proven to kill the coronavirus that caused SARS (Severe Acute Respiratory Syndrome), as well.

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