<The sad thing is we would of knew 99.9% of this information 2/3 days ago if the Malaysians were being transparent and honest.>
Authorities DID know, they just didn't release info to the public. As far as the press conferences, Malaysia in over their heads especially when it came it international media scrutiny. Doesn't make them bad, just inexperienced in high profile matters.
<Could a plane really land without being noticed? >
Absolutely, especially if it was expected by certain parties.