Word: sighters
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Dates: during 1940-1949
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...daytime star-sighter, to put celestial navigation on a 24-hour basis, was announced by the A.A.F. Board at Orlando, Fla. An improvement on solar navigation (which requires morning, noon and afternoon sights, plus computations), the new device enables a pilot to choose the stars he wishes to use, plot his position any time...
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