I often have airplane pilot friends look into the cockpit of a glider
and demand to know, "Where is the artificial horizon?

I tell them, "we use the big one in the sky". If they look puzzled, I
say, "Well, it's blue up there and brown down here and there's this
line in between we call the horizon.....


LOL! A friend did a demo ride for a heavy iron driver. He asked "where's
the flight director?". The response was "behind my eyes".

Tony