The 421 is one of those have to be way out ahead of it kinda airplanes. It's no Seneca or Seminole. Flying in IFR conditions or in busy airspace with the seats filled really needs a pilot and co-pilot. The plane gets too busy way too fast.
I remember many years ago debating a friend who thought helicopter crashes were safer than fixed wing. Ahhhhhh
Since I have no time in a Cessna 421, I make no comment. How much time do you have in one?
How much time did the pilot in this crash have in the aircraft?
Gross weight and CG are killers if you lose one engine...so what were the numbers in this case?
I once bought an airplane and flew it 600 miles home in the dark only to find out that both probs would not feather.
And I will add that I bet 8 out of 10 421’s are operated by a single pilot.