Easily the most comprehensive and challenging interview I've ever done, however I cannot speak highly enough of their process. Across both days I left feeling that the interviewers went out of their way to extract the best version of me.
As others have said you're always being assessed, whether that's during lunch and especially when the chief pilot comes down for tea and biccies on the last day. Carry yourself with the air of a professional at all times.
PM me if you want more.