Fresh out of the exam room!

Just passed the 3 Module RIG for 500 ton Master.

CPA of Hurricane was on it.
3 stability questions
A few questions were pertaining to US CODE.

Great circle sailing theory.

Load line questions

IOPP question regarding how many times a inspection may occur after the IOPP IS ISSUED.

Curious… Whats a IOPP? (Ive never heard or seen that abbreviation before).

International oil pollution plan

Yeah, I googled it. Then deleted my own post, sorry for the confusion.

I knew what it meant. I looked and looked. Still not sure of the answer.