Oh Ok, I'll put my toe in.
Oz is in the progress of aligning itself with JAR Ops, but in the written format of the FAR's. [Just like a politician with a hand in each pie].
IFR Performance:
Once at Vy on Take Off, OEI and in IMC, must have a 1% climb gradient at Vy, upto and maintain 1% ROC at LSALT to destination or alternate. [assume you can't land at departure point]
VFR Performance:
Once at Vy on Take Off, OEI and in VMC, must have the climb performance at Vy to climb to 500 agl, upto and maintain 0 % Climb Gradient at 500 agl to destination or alternate.
Platform Arrivals:
No limit [By legislation, Operator or Client]
Platform Departures:
Use OGE weights at the local OAT [And if operating from low decks, MSV's, Dive Tenders etc, reduce your OGE Take Off Weight by another 500 lbs]...[Normally an Operator limit]
Always having Offshore return fuel.....And yes, Oz has tropical monsoons, through blue sky to low level icing....but I love my job!!!!