PPL Confuser Discrepancy with AFE
Guys,
I was told by a few 'helpful' people to ask this question here (so please dont have a go at me for posting this twice. So hopefully you can help guys:
Guys,
A while back I wrote a post regarding how the AFE (CAA Lasors recommended) practice test was nothing like the questions in the Confuser. But the confuser is as close to the real thing as possible. Laughable.
Anyway, that was for Air Law and I am happy to say I passed it. NOw I am doing Meteorology anf lo and behold, I see another discrepancy - not just in the way they ask the questions but the answer. So here is the example:
Q23
At 1400z, the surface wind was 22025kt. The likely Wind velocity at 2000ft agl would be:
a)26040
b)24035
c)22020
d)23030
I answered A. Because according to Pratt's AFE book, wind veers 30' and windspeed 50%.
So 220+30=250. And 25kt+50% = 37.5kt.
So now we have a problem. The answer (according to the assumptions in AFE) is slap bang in the middle of answer A)26040 and B)24035. So I rounded up.
However the answer is B. Not because of rounding down but becasue the assumption is that wind veers 25' giving a direction of 245'.
So naturally the Confuser answer should be B) 24035.
So guys. What should I do? Should I go with the 25' assumption or keep with Pratt's 30' assumption? Or should I just chuck away all my PPL books that cost me around a hundred quid and just learn the Confuser because the AFE books give "wrong" information?