AIRCRAFT CONTRAIL MONITORING AND TARGETED MITIGATION

A system (20) is provided for an aircraft. This aircraft system (20) includes an aircraft powerplant (22), a powerplant sensor system (26), an environment sensor system (28) and a monitoring system (30). The aircraft powerplant (22) includes a heat engine (34). The powerplant sensor system (26) is configured to provide engine data indicative of one or more operating parameters of the heat engine (34). The environment sensor system (28) is configured to provide environment data indicative of one or more environmental parameters of an environment in which the heat engine (34) is operating. The monitoring system (30) is configured to determine formation of a contrail and quantify an impact of the contrail when formed based on the engine data and the environment data.