failure of the pilot to follow proper emergency procedures (properly configure the airplane and feather the appropriate propeller) after loosing power in one engine, which resulted in his inability to maintain altitude until reaching an airport. Factors relating to the accident were: the loss of engine power in one engine for undetermined reason(s), the pilot's lack of experience in the make and model of airplane, his lack of recent flying experience, and his lack of familiarity with the geographic area.