As the study carried out by the Nottingham University and the National Health Institute of Finland shows, the plastic trays used at passenger security checkpoints in airports contain the highest level of pathogens. The pandemic emergency due to the COVID-19 caused by the SARS COV-2 and other possible health emergencies in the future creates a need to ensure a safe environment for air transport passengers. The trays disinfector and stacker are the answer to that need.