Euro flybys prepared independently (2,8)

I believe the answer is:

by yourself

I'm a little stuck... Click here to teach me more about this clue!

'independently' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'euro flybys prepared' is the wordplay.
'prepared' is an anagram indicator.
'euro'+'flybys'='euroflybys'
'euroflybys' is an anagram of 'BY YOURSELF'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.