Duncan Aviation develops ACA ionizer installation packages

Duncan Aviation has developed Supplemental Type Certificates (STCs) and installation packages for the Aviation Clean Air (ACA) ionization system for several aircraft.

In late 2020 and continuing through 2021, Duncan Aviation developed STCs for Bombardier Global, Bombardier Challenger 300/350, Dassault Falcon 7X, and Dassault Falcon 2000/2000EX aircraft, with optional installation packages that include everything necessary for installing the ACA Ionizer system. 

In the last few months, Duncan Aviation partnered with Peregrine Avionics ( to develop STCs for the Gulfstream GIV and the Challenger 604.

Duncan Aviation has developed ACA Ionizer installation packages for those two aircraft, as well.  

The installation packages include the ionizers and Parts Manufacturer Approval (PMA) parts kits developed by Duncan Aviation.  

“We want to make it easy for our clients to keep the air in their aircraft as free of harmful pathogens as possible” says Nate Klenke.

“Our development of multiple STCs with PMA installation packages along with the experience we’ve gained from multiple installations makes Duncan Aviation an excellent choice for the installation or a source for the STCs and PMA packages.” 

Throughout the remainder of the year, Duncan Aviation will be developing ACA ionization packages for several additional makes/models.  

“When we say the package includes everything, we mean every screw, nut, bolt, and switch necessary for the installation,” says Manager of Avionics Install Line Pat Mapes.

“There’s been great interest in the industry in the ACA system. Our sales teams are fielding calls from customers who are interested in this system because it is designed to neutralize harmful pathogens like those that cause COVID-19, so if customers want peace of mind as they fly, this is the system for them.” 

The installation of the ACA packages can be done at any of Duncan Aviation’s three main facilities (Battle Creek, Michigan, Provo, Utah, or Lincoln, Nebraska) and at many of the Duncan Aviation Satellite Shops located throughout the United States.  

Designed to be installed in an aircraft’s existing environmental control system, the ACA ionizers  operate in the aircraft’s ductwork.

The ionized hydrogen molecules neutralize pathogens and remove allergens and unpleasant odors, including those from pets, cigarette and cigar smoke, engine exhaust, cooking, lavatories, and VOCs (volatile organic compounds).