We’re still collecting data for this aircraft. Routes appear once we’ve seen it fly enough times.
The pilot's poor in-flight planning in attempting to maintain VFR conditions at night over mountainous terrain, and his failure to maintain clearance from the mountain. Contributing to the accident was: the pilot's inadequate preflight planning for not obtaining a formal weather briefing, and his self-induced pressure to arrive before a specific time for the start of a planned event.
Piper PA-24-260