Development of Geophysics and Meteorology Sensors for Titan : Update on Dragonfly’s DraGMet package

Assembly and test of the DraGMet Flight Model (FM) hardware for Dragonfly’s July 2028 launch has begun. The Flight Model seismometer was delivered from JAXA in October 2025 and has been integrated with the APL winch assembly and has undergone vibration and other tests. The flight lot of wind sensors have been performance-tested in the Titan Pressure Environment Chamber at APL, and the best-performing units selected as FMs and spares. An opportunity also arose to test the wind sensor design in a heavy gas (1,1,1,2-tetrafluoroethane, R-134a) atmosphere in the Transonic Dynamics Tunnel (TDT) at NASA Langley Research Center during aerodynamic tests on the Dragonfly vehicle. I will review these and other progress highlights of DraGMet which comprises 12 different sensor types with a common DPU to explore the atmosphere, surface and interior of Titan less than 9 years from now.