Three Strikes Rule - PilotWorkshops i have something similar. There have been times when i have pre-flighted, taxi-ed to the hold short and after run up realized i missed a thing or 2 and taxi-ed back to the hanger. My Check-list has a Go/NoGo decision right before calling the tower. and @Sinistar can attest to the fact the number of times I have cancelled on him lol. may be this is coming from a diary of a wimpy kid... but who else have cancelled flights because of simple things or "it just didn't feel right"?