Plus 1 for Captain Chairborne
Not that I have stairs in anything I fly, but I didn't even know there was a signal for it. Class B airspace? Second class version of Class A, as any fule know.
Off to look it up in case I ever fly near any of it, which is unlikely in my europe based puddlejumper. Did once get a VFR clearance into some class A, though. Must have got it right as they let me do it again to go home.
Lets think - taxi-ing in form your first solo and you meet me on the taxi way... which way are you going to go? You survived your first solo only to bend your aircraft and mine on the ground.
He is going to stop and ask if he doesn't know. It would be useful for him to know the default direction to turn if he meets you while airborne, though. If he meets you in the bar I suggest YOU buy HIM a drink.
Callum, when you get to fly solo enjoy your first solo. Try to ignore the more pompous members of this forum, your instructor will be a lot more use to you and sounds like a good'un.