The most common and most likely answer to this crossword clue is the 9 letter word VANCOUVER
I've seen this crossword clue in The Sunday Telegraph
V
A
N
C
O
U
V
E
R
More clues leading to the result VANCOUVER
- Vehicle insurance needed around centre of rough Canadian port
- Pacific seaport union invested in commercial vehicle insurance
- Lead shield surrounds Uranium City in 21
- Advantage with college mostly open for French speakers in Canadian city
- Insurance for vehicle seen around university city on Pacific
- Vehicle insurance required to cross upper-class Canadian city
- Vehicle insurance needed around top-class city
- City Union enters vehicle insurance
- Vehicle with insurance – you finally enter the city
- Where to find Hex's uranium: hidden in truck hood
Buddy explains!
The straight part
We know that "city on Pacific" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case city on pacific = vancouver.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.