Originally Posted by
Boyington
Parking Brake ' On' is the position , but when the status of the Parking Brake is communicated it has to be "Set" and "Released" as "On" and "Off" sound similar and can create confusion.
I agree, but aren’t we talking about a checklist response here? Not when it is communicated to ground crew? If you want to be pedantic the word ‘Set’ could mean either ‘On/Off’.