Etymology
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navigational (adj.)

"of or pertaining to navigation," 1862, from navigation + -al.

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fairway (n.)
1580s, "navigational channel of a river," from fair (adj.) + way (n.). Golfing sense is by 1898.
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black box (n.)
1947, RAF slang for "navigational instruments;" later extended to any sort of apparatus that operates in a sealed container. Especially of flight recorders from c. 1964.
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