Frederick Valentich — "it is not an aircraft" then static for 17 seconds

Bass Strait off Australia, Oct 21 1978. 20 year old pilot, only had about 150 hours, flying a Cessna 182 from Moorabbin down to King Island. Routine night hop over water. Then he gets on the radio to Melbourne flight service and it goes sideways fast. He reports an aircraft above him at like 4500 f……