ACA's patented needlepoint bi-polar ionisation systems proactively neutralise pathogens in the air and on surfaces throughout the cabin and for the duration of a flight. Skyservice is authorised for GV-SP installations.

Duncan's engineering and certification services and PMA departments created an package for the Aviation Clean Air ionisation system for Global and Challenger 300 and 350 aircraft, approved in Canada and the EU.

Latitudes, Sovereigns and Excels can now have an ACA purification system installed. According to ACA, tests have proven effective against bacteria, spores, odours, static electricity and viruses, including COVID-19.