What was found
THE LANDING GEAR FAILED TO EXTEND ON APPROACH. I WENT MISSED AND EXERCISED THE GEAR HANDLE. I DECIDED TO PROCEED TO KOTZEBUE AND COMMENCE THE ABNORMAL OPERATIONS MANUAL GEAR EXTENSION. WITH A SUCCESSFUL DOWN/LOCK INDICATION I DID THE ILS APPROACH TO LANDING. WE WERE UNABLE TO PICK UP THE PATIENT. ANC CENTER DECLARED EMERGENCY AND FIRE TRUCK WAS BROUGHT OUT IN KOTZEBUE. MAINTENANCE INSPECTED LANDING GEAR SYSTEM, RESET CIRCUIT BREAKER, PERFORMED MULTIPLE GEAR SWINGS WITH PROPER INDICATIONS. NO DEFECT NOTED. SERVICED HYDRAULIC RESERVOIR IAW KING AIR 200 MM CH. 32.