Originally Posted by LAXative

Let's just say that since you are only a CRJ-200 F/O, you are at an extreme disadvantage from the get go. You have no experience with leading edge devices or flying jets with engines underneath the wings, with the requisite pitch changes with power. Plus it's a 747, a HUGE step up in complexity and size from a CRJ and you will have to know not only the jet at a Captain's knowledge level, but you will be grilled on international and oceanic crossing regs and procedures. Good luck, you'll need it coming from a commuter.