Complex sentence: The only survivor alive is the pilot Edilberto Villar, who escaped to Australia and was not judged by the civialian Judge Manuel Meléndez who was disqualified by the Peruvian Navy.
Split into simpler sentences: The only survivor alive is the pilot Edilberto Villar, who escaped to Australia. He was not judged by the civialian Judge Manuel Meléndez who was disqualified by the Peruvian Navy.