The most common and most likely answer to this crossword clue is the 4 plus 6 letter word HANG GLIDER
I've seen this crossword clue in Financial Times
H
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Buddy explains!
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 HANG GLIDER mean?
HANG GLIDER noun- An unpowered aircraft resembling a large kite from which a rider is suspended in a harness.
- The rider of such a craft.