Originally Posted by
kcockayne
What is the point of sticking to SIDS - structured to apply appropriate separation on departure - when there is little traffic (in comparison to normal) to separate from ?
The first part of the SID is also designated by the Government as the centreline of the Noise Preferential Route (NPR), which airlines are obliged to follow, designed to avoid overflight of built-up areas where possible.
That Finnair was indeed recognised as being "off-track", as can be seen from the highlight on the WebTrak plot:
I don't see what lack of traffic has got to do with not following the NPR.