Background
The pilot of a single-engine airplane was briefed on adverse weather conditions along the planned route and at the destination prior to departure from Siocon Airport. Despite visibility being below the minimum for VFR flight, the pilot elected to depart.
Accident Sequence
While flying under visual flight rules, the aircraft encountered heavy rain. The airplane struck a hill, resulting in its destruction. The impact occurred in conditions of practically zero visibility due to the heavy rain, with the terrain described as over a jagged shoreline.
Post-Crash Findings
Search teams located the wreckage several hours after the accident. All 11 occupants of the aircraft were killed. The official investigation determined the probable cause to be the pilot's decision to continue VFR flight into unfavorable weather over a jagged shoreline under conditions of near-zero visibility caused by heavy rain, with visibility below minima at the time of the accident.