Even the instructor checking me out at-least had the good grace to act embarrassed about it
Last year I was being checked out to fly a DR400 at a different airfield, even though I fly DR400s a lot at my home base. But okay, it's their train set, so fair enough.
When I got in I asked "is there an authorized checklist or do we just use common sense here?". "We use common sense here" was the reply.
Sure enough, that aircraft flew just fine without a checklist weighing it down.