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Speed and altitude graph shows #PS752 transponder stopped six minutes into flight. No erratic flight pattern and no recorded drop in speed or altitude.
If not a transponder failure, whatever happened was sudden and catastrophic.
Shot down
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Wouldn’t your first assumption be your website refresh for every plane on Earth isn’t 100%?
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Not when the plane is no longer in flight.
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Would crashing into the ground also result in the transponder stopping?
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It might dent it a bit...
Hit by lightening?
One of the things mentioned in video I sent you.
Any indication? Lightening from ionosphere not from storm.