Fuel Exhaustion Incident Involving a Light Aircraft (N1406Y)

Flight Sequence and Fueling Details The aircraft was topped off with a maximum of 41 gallons of usable fuel before the pilot departed Renton, Washington. The estimated flight time to the first destination, Coeur d'Alene, Idaho, was approximately 2.2 hours under no-wind conditions. Upon arrival at Coeur d'Alene, the pilot topped off the right fuel tank with 13.8 gallons but did not add fuel to the left tank. The aircraft then took off and taxied back to the fixed-base operator (FBO) less than 10 minutes later. No additional fuel was added during this return, and the aircraft departed Coeur d'Alene at approximately 1755. ## Radar Data and Fuel Consumption Radar data indicated that the aircraft climbed to an altitude of 13,900 feet at one point during the flight. The pilot reported being out of gas at 2122, which was 3.45 hours after the last takeoff. The total estimated flight time for the operation was 6.55 hours. The owner reported that the aircraft's average fuel consumption was 8 gallons per hour.