Core instruments onboard the DLR Falcon20 aircraft operated by DLR (Deutsches Zentrum für Luft- und Raumfahrt e.V.). May include: Non dew/frost point hygrometer (lyman Alpha), Inertial Reference/Navigation System, Incident flow vector probe, Temperature sensors (in situ) (Rosemount) plus others depending on the flight. Used in EUFAR flights.