(Snowbird) wrote
Not really. Not unless your point is that "George" remains idle 99.9%
of the time spent in IMC, and is only engaged on an emergency basis.

Absolutely not. If "George" remains idle 99.9% of the time, then
clearly the pilot has no business engaging George on an emergency
basis because he has not maintained his proficiency in the care
and feeding of "George". In an emergency KISS and stick to what's
familiar say I.

By that logic, one should never attempt to fly a twin in an asymmetric
thrust condition in an emergency. After all, 99.9% of the time, the
engines operate in a symmetric condition (both producing approximately
equal output).

Michael