Airborne sanitation system for pilot

The utility model belongs to the technical field of pilot life support, and particularly relates to an onboard sanitation system for a pilot. Comprising a locking switch, a urination catheter, an ejector and an air entraining catheter. The locking switch is connected with the urine collector; one end of the urination catheter is connected with the locking switch; the ejector is provided with a urine inlet, an air inlet and an ejection opening, and the urine inlet of the ejector is connected with the other end of the urination catheter; one end of the air guide pipe is connected with an air inlet of the ejector, an electromagnetic valve is arranged on a passage of the air guide pipe, and the electromagnetic valve is provided with a urination switch. The urination problem of a pilot under the long-endurance flight condition can be solved, and urine discharged by the pilot is discharged out of the aircraft in an injection and suction mode; and the requirements of flight safety, no influence on emergency off-plan