Call the FSI center in Houston and ask them what sim NJA will usually
use. They should tell you. Normally, they'll put you in their "least used" sim
on site.
The sim check will be 100% just like the handout they give you,
no surprises.
Study Part 135 and Part 91 weather, mins., proceedures.
Know holding and entries.
Be able to brief a Jepp approach plate in detail.
Think safety and customer service.
Good luck to you!