Originally Posted by
underfire
If that is the case, there are plenty of twins B787, B777,and other ac that cross that point at around 350/400'...just watch a 787 cross that point.
I'm not sure what you're actually trying to show with your graphic. We're not told the height at which the 777 passed over the point you show, only that it was reportedly an "unsafe altitude".
All we know so far is that by the time it flew over any habitation (the first is some 3000 ft beyond the end of the 27L TODA) it was at 350' AAL.
Clearly the DGCA don't consider that was a reasonable height to have achieved by that point, and the fact that Heathrow has chosen to suppress the flight track and vertical profile would suggest that the story isn't over yet.