Your Apology is Graciously accepted DB. But that doesn't solve the conundrum of what went wrong at Sumburgh (et al) and how to fix it?
All I can offer is the suggestion of more training, more often, especially on the superwhizzokit, and maybe a lucky rabbits foot (joke re rabbits foot!).
(and the Gnome fuel control therefore engine response beats the S61 by miles btw - which helps a lot.)