coming from a direction that I am not sure of. at an altitude that I have no idea of, and at a speed that could be anything. (Now I don't want you winging of my incorrect estimate of arrival.)
Blatant hyperbole. Spoken like a true scaremonger. It's folks like you that GA in Australia can thank for thousands of pages of regs, tens of thousands of pages of CAOs and the same in MOSs.
You can't work out your orientation to an aerodrome without a calibrated compass? Really?
No idea of altitude? Really? No idea?
At a speed that could be anything? Really? Anything?
Please: Save us, CASA. We need more laws to prevent this from happening.