AIRCRAFT FLIGHT CONTRAIL ASSESSMENT DEVICE AND METHOD

The invention relates to an aircraft flight contrail assessment device comprising a contrail sensor adapted to produce contrails data representative of an atmosphere parameter having an influence on the formation of contrails or an observation parameter varying depending on at least the presence of one or more contrails, and a processing unit adapted to calculate at least a contrails value representative of an amount of contrail, based on said contrails data. The invention provides such device as well a corresponding method to evaluate the amount of contrails produced by an aircraft during a flight.