Every aviation mishap is avoidable to some extent. This scenario definitely contains the ingredients for overtaxing of the crew and airframe. Maintenance errors, poor planning, lack of proficiency or training, inaccurate forecasts, misreading of instruments…Only the NTSB and manufacturers are capable of discerning the causal factors with any certainty. I just wish they would move those investigations along quicker so pilots and other aviation personnel can learn from those mistakes.