Exam question(s) - can't be right, can it?
Been down the 'club today mowing over a few exams (all passed - yay!), but a couple of questions/answers seemed to be a bit wrong, or confusing at least. At risk of looking like a plonker, here they are (slightly paraphrased - I didn't pinch the exam papers!):
the one that confused me...
Q - you are flying with a strong tailwind, how does your best range speed change compared to flying in calm conditions?
A's - slower, faster, no effect, depends on weight.
I chose 'no effect', but the CAA reckon it's 'slower' - so can anyone describe why this might be the case? I think best range speed will give you best range irrespective of the wind speed/direction. Where's my thinking flawed?
...and the one that annoyed me:
Q - you are converging with a fast jet on reciprocal headings at approximately 600kts. Vis is 5 nautical miles, but you don't spot him until three. How long have you got to take avoiding action?
A's - 12s, 20s, 55s, all day.
I chose 12s as 600kts = 6s/mile => max time is 3*6 = 18s, ie at 20s you are dead. CAA apparently want you dead though as 20s is the 'correct' answer.
Oh, and there were only 49 answers to a 50 question General and Principles of Flight exam too. Does that make question 50 a trick answer?
Anyway, any people care to pontificate on the answer to the first question for me?
Cheers,
A