Destanie examines an AcroSport aerobatic biplane in the Smith hangar.  She now realizes that planes come in many configurations. 

When a person sees an airplane  flying high in the sky, they see the impossible dream.  That airplane is way above their heads, a dream that they can never reach.  But when they get to touch and even sit in an airplane cockpit, they have that dream right in their little hands.  Now it's the possible dream.