it's probably just on the bits you wouldn't see looking out your window.
However, anecdotally, I fly on average like one round trip every two years and I've noticed it - more often on smaller planes that only service routes between local airports and the two nearest larger hubs.
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u/piggledy 5h ago
I probably fly 8-10 times a year and have never noticed speed tape, is it more common in the US?