1. You need permission from QHM to enter Portsmouth Harbour
2. B*stard Wightlink ferries give way to you
3. You need a mortgage to refuel her
4. You need a tug to berth in a hoolie
5. You need a pilot at the Nab
6. You have a duplex radio
7. You don't need to worry about a radar reflector
8. You give 3 blasts on the horn as you hit astern - as opposed to swearing 3 times when you hit your stern
9. You have a pic of your bowthruster on your hull
10. Running aground means your insurance co. gets embarrased