A method of screening passengers for a passenger aircraft flight includes a step of obtaining voluntary consent from a plurality of passengers to perform background check. The method further includes formulating a data record associated with each of the plurality of passengers. The passenger aircraft flight is scheduled as one of a plurality of regular scheduled flights. Prior to the passenger aircraft flight, it is determined whether a person is associated with a formulated data record. The method includes denying participation by the person in the passenger aircraft flight if the person is not associated with a formulated data record.