I have 12000 in the credit union an want to no how much i could borrow of dem ?

i am a regular saver de last year wit dem lodging checks in der varien from 700 to 900 weekly. But hav been a member since 2001.. I want to buy a fishing boat an start up my own buisness not a big fishing boat but small one, i hav someone to go guarantour for me so can anyone help me out