Met - if the dooberie increases, the thingymijig decreases. Therefore the wotsit rate also decreases meaning that the such-and-such remains the same. Obvious really. Oh, and I really don't give a Flying F*** what the weather with probably be on 4 June in Darwin.
Instrument - Gyros, I'll leave it at that.
On the other hand, no. Why do they think that we all aspire to fly a bleedin' B737?
HPL - I have a degree in English and don't understand some of the question structure.
Gen Nav - actually, its OK. Get you sin/cos sorted and make sure you have a sharp pencil and a sound understanding of the CPR5.