On Tue, 03 Oct 2006 12:47:45 +0200, Stefan
wrote in :


It would seem a placard would be more prudent.

If this simple instruction is already too complicated for a pilot...

It's more a matter of the possibility of someone failing to inform the
pilot of this hidden hazard. A placard is more foolproof than relying
on the spoken word or a phrase buried in the POH.