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Old 28th Jan 2020, 08:56
  #245 (permalink)  
Join Date: Jun 2001
Location: 3rd Rock, #29B
Posts: 789
Originally Posted by Squawk7700 View Post
Exactly... itís the same conditions they have been flying in for the previous 130 missions!
Low level operations come with elevated risk. An expert, well trained crew can do the same thing day in, day out, and yet have a bad day with very little change from what they were doing 10 minutes, 1 day, 1 year before. Within normal operations, functional resonance of factors associated with the process may just get to a condition where a number are near the edge, and enough together cause an undesired outcome. The operating environment is stochastic, around desired normal conditions, each of which has levels of variation that occur naturally, and are controlled in the course of the operation. Without going too far down the rabbit hole with that, note that the Reason model of causation, the "Swiss Cheese" model is simplistic, and assumes a linear process, and life is just not so. The final point is that the guys and girls that are out there doing this job are professionals, and face the risks that arise from their operation day after day.


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