For any analysis to be more than just a hunch, it must at least state what facts, assumptions, or calculations it is based on. Alternative hypotheses, when most of the actual evidence is unknown or can take different explanations, can make use of different or overlooked facts, and can offer grounds for their falsification.
@65dBnoise
I'm thinking that perhaps one of the blades started to delaminate internally during Flight 71, not breaking off but causing enough imbalance in lift between the counter-rotating rotors to make the heli change direction. This might bring about the emergency landing. 🤔
@tom30519
It sounds plausible. There are data collected through telemetry, and that's about all the team knows directly about the helicopter. Some of the rest they can only derive indirectly, but only from dynamically monitored parts. Structural integrity of rotors, legs and body is almost completely hidden from the sensors, unless they are at the verge or already collapsing. At that time there'll be vibrations or other effects that can be picked up by some of the existing sensors, but it'll
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@tom30519
be already too late.
And even if they knew for sure and in advance that something was going bad, what could they do? Ground the craft and let it die there? Try to see where and how it will break, and how the electronics will respond?
Tbh, I don't know which is the best course of action in such a case.
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