Frederick Valentich Disappearance
A pilot's final transmission: 'It is not an aircraft.' Then metallic scraping sounds. Then silence. Frederick Valentich vanished over Bass Strait. His plane was never found. UFO sightings were reported that night.
“Melbourne, this is Delta Sierra Juliet. Is there any known traffic below five thousand?” The voice of twenty-year-old Frederick Valentich came through clearly to Melbourne air traffic control on the evening of October 21, 1978. He was flying a Cessna 182 over Bass Strait, the notoriously dangerous waters between mainland Australia and Tasmania, on what should have been a routine training flight to King Island. What happened over the next few minutes would become one of aviation’s most disturbing mysteries. Valentich reported an unidentified craft hovering above him, described something that was “not an aircraft,” and then fell silent, his final transmission ending with seventeen seconds of strange metallic scraping sounds. Neither Frederick Valentich nor his aircraft was ever found.
The Flight
According to documented accounts, Frederick Valentich was an ambitious young pilot with approximately 150 hours of flying experience. He held a Class Four instrument rating and was pursuing a career in aviation, though he had twice been rejected by the Royal Australian Air Force. On October 21, 1978, he filed a flight plan for a training flight from Moorabbin Airport in Melbourne to King Island, a short trip across Bass Strait that he expected to complete in under an hour.
Valentich took off at 6:19 PM local time in his rented Cessna 182, registration VH-DSJ. The weather was clear, with excellent visibility, and the flight proceeded normally until approximately 7:06 PM, when Valentich made his first unusual radio contact with Melbourne Flight Service.
The Encounter
The exchange between Valentich and Melbourne air traffic control was recorded and has been publicly released. It began with Valentich’s inquiry about other traffic in his vicinity. Melbourne responded that there was no known traffic below five thousand feet. Valentich then reported that he could see a large unknown aircraft below him.
Over the next several minutes, Valentich described the object in increasing detail. It had four bright lights, he reported, that appeared to be landing lights. It passed over him at high speed, then appeared to be playing some sort of game, approaching and withdrawing. He described it as long, with a metallic surface and a green light. At one point, he stated explicitly: “It is not an aircraft.”
Melbourne continued to ask for clarification. Was it a military aircraft? Could he identify the type? Valentich could only describe what he was seeing: a craft of unknown type that was now hovering above him. Then he reported engine problems. The engine was coughing, rough-idling.
His final transmission came at 7:12 PM: “Melbourne, that strange aircraft is hovering on top of me again. It is hovering, and it’s not an aircraft.” Then silence, broken only by seventeen seconds of metallic scraping sounds that audio analysts have never satisfactorily explained. After that, nothing. All attempts to contact Delta Sierra Juliet failed. Frederick Valentich had vanished.
The Search
Australian authorities immediately launched a search and rescue operation covering the area where Valentich was last in contact. Aircraft and ships scoured Bass Strait and the surrounding coastline. The search continued for four days, involving air, sea, and land resources. Not a trace was found. No wreckage. No oil slick. No emergency beacon signal. No body.
Bass Strait has a reputation as dangerous water, with unpredictable weather and strong currents that have claimed many vessels over the years. It would not be unusual for a small aircraft to crash into these waters and never be found. But the complete absence of any debris, combined with the strange circumstances of Valentich’s final transmission, left investigators without a clear explanation.
The official investigation concluded that the reason for Valentich’s disappearance could not be determined. The case remained open.
The UFO Connection
What makes the Valentich disappearance uniquely compelling is the context of his final transmissions. He was not merely reporting engine trouble or disorientation; he was describing an encounter with an unidentified craft that he explicitly stated was “not an aircraft.” His descriptions were detailed and consistent, given under circumstances where fabrication would serve no purpose.
Moreover, multiple other witnesses reported UFO sightings in the Bass Strait area that evening. Residents along the coast saw strange lights in the sky, green and moving in ways that conventional aircraft do not move. A farmer reported seeing a green light moving erratically above him at approximately the time of Valentich’s disappearance. These independent reports suggest that something unusual was in the sky over Bass Strait that night.
Skeptics have proposed various conventional explanations. Perhaps Valentich became disoriented and crashed into the sea, his descriptions of a UFO the result of confusion or misidentification of stars, other aircraft, or his own navigation lights reflected in the water. Perhaps he staged his own disappearance, though no motive has ever been established and no evidence of him has appeared in the decades since.
But these explanations struggle to account for the specificity of his descriptions, the calm professionalism of his radio communications, and the strange sounds that ended his transmission. Whatever Frederick Valentich encountered over Bass Strait, he did not seem confused or disoriented. He seemed frightened.
Aftermath
Frederick Valentich was declared deceased in 1982, though no body has ever been found. His case remains one of the most compelling UFO-related disappearances in aviation history, distinguished from most such claims by the existence of recorded radio communications and the corroborating reports of other witnesses.
In 1983, an engine cowl flap identified as possibly belonging to a Cessna 182 was found on Flinders Island, consistent with the type of aircraft Valentich was flying. The part could not be definitively matched to his specific aircraft, and its discovery did little to clarify what happened that night over Bass Strait.
The case continues to attract attention from UFO researchers, aviation historians, and those interested in unsolved mysteries. The recording of Valentich’s final transmission remains available for analysis, his words preserved as a permanent record of an encounter that defies explanation.
Over Bass Strait, where the waters churn between Australia and Tasmania, the sky held something strange that October evening in 1978. A young pilot saw it, described it, and then was gone, taken by whatever hovered above his small aircraft in the gathering darkness. The metallic scraping that ended his transmission has never been explained. The craft he described has never been identified. Frederick Valentich flew into a mystery that has only deepened with time, his final words a testament to something that was not an aircraft, and a question that may never be answered.
Sources
- Wikipedia search: “Frederick Valentich Disappearance”
- CIA UFO/UAP Reading Room — Declassified CIA documents on UAP