At approximately 1300 on Saturday 4/25 CALS was alerted mutual aid to Charles Co for the report of one down in a field. PMIC Debusk responded in M105 to the Hughesville area of Charles County. First arriving Charles Co units reported one male down in a field, CPR in progress. M105 arrived shortly after Charles Co PA28 and assisted with patient care. Sadly despite all efforts the patient was pronounced pri-4 on scene.