The most common and most likely answer to this crossword clue is the 4 plus 5 letter word TEST PILOT
I've seen this crossword clue in The Guardian
T
E
S
T
P
I
L
O
T
More clues leading to the result TEST PILOT
- International game? Plan to include one high-flier
- Game plan to engage one who’s willing to take highlevel risks
- International scheme employing one person who’s a flyer
- He’s up with what’s new, distributing top titles
- Chuck Yeager maybe rewriting top titles
- … doubly a trial for one on maiden flight?
- One’s up for trial
- International crowd surrounding sanctimonious high flyer
- One who is often up for trial
- One takes off with paper — good things for sale
Buddy explains!
The straight part
We know that "One’s up for trial" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one’s up for trial = test pilot.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.