What was found
(CAN) DURING THE FLIGHT, THE CREW RECEIVED A LOW OIL PRESSURE WARNING. PILOT ELECTED TO SHUTDOWN THE ENGINE, DECLARED AN EMERGENCY AND PERFORMED AN UNEVENTFUL SINGLE ENGINE LANDING. POST FLIGHT INSPECTION REVEALED THERE WAS INSUFFICIENT OIL IN LT ENGINE. 6 QUARTS WERE ADDED AND ENGINE WAS GROUND RUN WITH SATISFACTORY RESULTS. MFG RECOMMENDS THE SDR BE CLOSED ON THE BASIS OF THE FOLLOWING INFORMATION.