Shiver & Jerry Lee,
When pilot was on the list, which it isn't any more, you needed an Austalian ATPL to qualify for the 60 points and THEN the visa application could be made. 250 hour CPLs did not qualify under the Skilled Migrant Visa (only ATPL) and, as it stands, no pilot qualifies as Australia doesn't need any (according to the people that write the requirements).
If you were going to apply as an Accountant, then you need a recognised accountancy degree and certain experience in the field, not units attended in high school. There isn't an 'enhance chances' when it comes to the actual job you are using to apply for the visa. You have to qualify in that field, have your skill assessed by the relevant authority in Australia (CASA for pilot) and then the process can begin in earnest. Once your skill is assessed you get the 60 points (or as applicable); you THEN gain more points for age, English language abilities etc. Additional qualifications in a skill not being used in the application process are a waste of space in the context being discussed.
The Australian Government has put a hold on a LOT of the skilled migrant visas and, also, a lot of the countries which can apply. For instance, UK police were migrating to Oz by the bucket load a few years ago but that route doesn't exist at the moment as Oz has a (temporary?) migration ban on police and a large number of UK applicants.
It is possible to obtain a working visa, convert your European licence to an Australian one and then search for work like all the 250 hour Australians. You then have to renew your work visa, which is by no means guaranteed. Equally, it is possible that a company could sponsor you once you'd flown with them for some time and they reckoned you were worth it. However, that company has to prove that no Australian is available to do the job and that's why they they need to sponsor a foreign worker. It was done in the fairly recent past, when a bunch of South Africans were sponsored on (457?) visas but the hole was filled and that is not currently being permitted by Oz. In my opinion, a company would be extremely unlikely to be allowed to sponsor you at the moment, given the number of Australians who are as qualified, or more qualified than yourself.