The most common and most likely answer to this crossword clue is the 3 plus 4 letter word SET SAIL
I've seen this crossword clue in The Sunday Telegraph
S
E
T
S
A
I
L
More clues leading to the result SET SAIL
- Leave port: prepares beer when speaking
- Sea still not quite stormy? Be on your way
- Leave groups to worry
- Leave port in Kent, say, with a list corrected
- Went on voyage, i.e. with salts at sea
- It could indicate Ali’s launch?
- Feel ill after parties and leave the port
- Put out search for little green men around South American lake
- Go to sea in groups and be ill
- Changing date to Sunday reorganise details and begin journey
Buddy explains!

The straight part
We know that "Went on voyage" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case went on voyage = set sail.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.