Usual Hue of a Plane's Black Box
This page is the CodyCross answer for the clue below from London, Group 489, Puzzle 4 (Walking Tours).
Question is: Usual Hue of a Plane's Black Box
and the answer is: ORANGE
Word Meaning:
ORANGE — (countable) An evergreen tree of the genus Citrus such as Citrus sinensis which yields oranges (the fruit).
Definitions from Wiktionary.