A Piper PA31-350 Navajo Chieftain was being operated as Monarch Airlines flight OB301 on a regular public transport service from Sydney to Young. It was on landing approach to runway 01 in conditions of low cloud and darkness, when it struck trees at Young aerodrome, New South Wales, and crashed. All seven occupants, including the two pilots, suffered fatal injuries from the impact and post-crash fire.
Report: https://www.atsb.gov.au/publications/investigation_reports/1993/aair/aair199301743/
Article: https://www.flightsafetyaustralia.com/2020/08/in-the-bleak-midwinter/