He noted that "the wreckage and the remains of people who were on board" were found.
Previously, debris was found in the aircraft search area, which could be part of the side.
The plane Hercules C-130 followed to the Chilean base in Antarctica Eduardo Frey Montalva.
According to the Air Force, the personnel on board were to inspect the pipeline supplying fuel to the base.
On board were 17 crew members and 21 passengers.
According to a map published by the Chilean Air Force, the plane disappeared in the Drake Channel separating South America from Antarctica.