folks that turn the battery off before the N1 had stopped
Is that what folk do these days? Turning the battery off before N1 had reached zero would have meant a stern lecture in my day from management. Although the 206 manual has a caution note I don't see similar in other manuals,
TO ENSURE ENGINE CUTOFF, HOLD THROTTLE IN CLOSED POSITION UNTIL N1 DECELERATES TO 0 AND TOT IS STABILIZING. DO NOT TURN BAT SWITCH OFF UNTIL N1 IS 0 AND TOT STABILIZED
What is trained these days, particularly with all the electronic engine control that I'm not familiar with? I do note the AW139 has a caution,
Prior to switching electrical power OFF ensure engine NG values are at 0%.