<<Thought that was something taught to all fledglings by a good instructor -
any time you'd be in deep yogurt if the mechanical pump failed and you
wouldn't have time to re-establish fuel flow before the ground comes up to
smite you.>>>

Dan,

Don't know that I was ever taught that--jets don't seem to have the problem.
Although I think the header tank provides pretty good insurance, I do use it
for any low altitude work, including patterns.  Just wondered what everybody
else did.

Naf