Transcript:
"Cool! When an airplane's shadow passes over you, it means good luck!"
"I've never heard of that."
"Well it can only happen if you're outdoors and the sun is shining."
"What could be luckier than that?"
"Somebody needs to radio the tower."
Might be a crop duster lining up to make a pass over a nearby field, or an ultralight taking photos for a survey team