What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
After landing in Kenosha, pilot parked, refueled, loaded medical passenger and began to taxi for departure. Pilot was attempting to exit the ramp at the taxiway and proceeded around a parked aircraft and onto the grass. The pilot stated that he realized he was off the ramp and tried to turn back but the right main landing gear dropped into a ditch and the right propeller struck the ground. Ramp was unlit (night time) and pavement was wet. The pilot stated that he had trouble discerning the ramp from the grass due to snow on the grass and mist in the air. Aircraft taxi and landing lights were operational.
As the FAA filed it
AFTER LANDING IN KENOSHA, PILOT PARKED, REFUELED, LOADED MEDICAL PASSENGER AND BEGAN TO TAXI FOR DEPARTURE. PILOT WAS ATTEMPTING TO EXIT THE RAMP AT THE TAXIWAY AND PROCEEDED AROUND A PARKED AIRCRAFT AND ONTO THE GRASS. THE PILOT STATED THAT HE REALIZED HE WAS OFF THE RAMP AND TRIED TO TURN BACK BUT THE RIGHT MAIN LANDING GEAR DROPPED INTO A DITCH AND THE RIGHT PROPELLER STRUCK THE GROUND. RAMP WAS UNLIT (NIGHT TIME) AND PAVEMENT WAS WET. THE PILOT STATED THAT HE HAD TROUBLE DISCERNING THE RAMP FROM THE GRASS DUE TO SNOW ON THE GRASS AND MIST IN THE AIR. AIRCRAFT TAXI AND LANDING LIGHTS WERE OPERATIONAL.