"Heavens, Barking - what ARE you suggesting?"
Hi BOAC, only a little common sense, fact, logic & reasoning, but as we all know, there is a disconnect between these approaches and modern aviation!
However, I'm sure Ryrs flight management would encourage the method if it shortened flight times, saved fuel and reduced the risk of inadvertent ground contact?! Note the order in which these are listed!
What say you, M O'L??!!