The most common and most likely answer to this crossword clue is the 11 letter word FLY-BY-WIRE
F
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Y
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FLY-BY-WIRE mean?
FLY-BY-WIRE noun- A system that replaces the conventional manual flight controls of an aircraft with an electronic interface, especially on airliners.