Research Jet Flies Through Contrail, CSAE

In this 1989 research mission, a modified Falcon 20 plane purposefully flew into a persistent contrail of a Sabreliner jet. Data was collected, and the results compared to the (already in place) Appleman curves used to predict contrail formation. ....based on, “Appleman“ “The formation of exhaust condensation trails by jet aircraft“. Since then, many more studies have been produced, based on Appleman’s work. Here is the CSAE data :// and.... and...