The most common and most likely answer to this crossword clue is the 3 plus 6 letter word ICE YACHTS
I've seen this crossword clue in Independent
I
C
E
Y
A
C
H
T
S
Buddy explains!
The straight part
We know that "craft" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case craft = ice yachts.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.