TeachMe
'Yes'.
Also, 'Yes'.
However, (you knew that was coming, didn't you?), there are those who will not accept that the red light refers to them! We are just at a higher (really?) level.
FSB lit = Red. Red = FSB.
FSB lit is a red light.
What is the difference to those to whom the difference is nought!
FlapsForty was rightly aggrieved as a professional who attempts to carry out duties to the benefit of pax.
Me, I'm just a safety professional.