What was found
(CAN) SHORTLY AFTER TAKEOFF FROM OUR BASE OF OPERATION OUR DHC-3T OTTER ON FLOATS HAD FLAMES SHOOT OUT OF BOTH OF THE EXHAUST STACKS AND THEN THE PROPELLER RAPIDLY SLOWED TO A STOP AND THE AIRCRAFT MADE A SAFE EMERGENCY LANDING ON THE LAKE AND WAS TOWED BACK TO THE BASE. THE ENGINE WILL BE REMOVED AND SENT TO THE OVERHAUL FACILITY FOR INVESTIGATION TO DETERMINE FURTHER THE CAUSE OF THE INCIDENT.