Thanks, I recognize that. But that's hard to do when you're over water and the nearest airport is one hour away. And the issue is more than academic, because mitigating steps can be taken: if I knew that I can't maintain altitude, then I will fly at higher altitudes* or with lighter loads. Please choose from my earlier memo, do you think it's 1 or 2?
Ernie
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* I now fly at around 5,000 ft, based on prevailing winds, convenience and another factor mentioned on the next sentence, but I'd go to 10,000 ft if I knew that I can't maintain altitude (the extra 5,000 ft would gain me 50 extra minutes aloft if the loss is 100 ft/min). But if there is a fire on board (my third consideration) it would take twice as long to ditch. That is why, in part, this is important: no sense flying higher (a fire/smoke drawback) if the aircraft can maintain 5,000 ft with one engine.
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