I want to ask what is the purpose of black and white stickers used on test aircraft.
The following is a picture:
I have seen variations of such stickers. Does anyone know what is reason for their use ?
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6$\begingroup$ Related: Checkerboard painted on fuselage of Boeing test aircraft $\endgroup$– foootCommented Dec 13, 2018 at 18:36
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17$\begingroup$ Oooh, Christmas-wrapped bomb. Very festive! $\endgroup$– David RicherbyCommented Dec 13, 2018 at 23:25
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1$\begingroup$ Those aren't stickers, the plane just has a skin condition. $\endgroup$– VikkiCommented Apr 26, 2019 at 3:29
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1 Answer
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They appear to be fiducial markers which identify known points on the aircraft, for analysing video footage and performing photogrammetry.
You see similar markers on crash-test dummies used in vehicle impact trials, for instance, and also in motion-capture in the synthetic movie industry (and in orthopaedics).
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10$\begingroup$ For the curious, the technical term for these are "fiducial markers". It's the same reason you find black and white stripes and/or checkerboard patterns on some rockets. $\endgroup$– MacCommented Dec 14, 2018 at 3:21