For me, the hardest subjects to prepare for were Op's and Law, simply because there seemed to be a 1001 seperate facts to learn/memorise. However, those subjects that involved the use of numbers i.e M+B, GNAV and Flight Planning, I found very easy, which I fail to understand as to why people seem scared of these subjects, especially GNAV. One thing I noticed whilst doing the groundschool / studying was that people just gave up on GNAV and decided that it was too difficult without actually sitting down and attempting the feedback. There really is'nt much to it beyond memorising a few formula and getting to grips with the wizz-wheel. Practice, practice and practice as they say.
The96er