Pilots navigatDavid Rumsey Collection: (Verso of) American Airlines system map. Route of the flagships in relation to the air transport system of the United States … Prepared for American Airlines, Inc

This is how pilots confirm their route in the 3D space.

Visually, lights standing high up from ground form a path for pilots to follow. The red flashing lights we see at night against the sky, when view from above, form some sort of zodiac for pilots and direct them to destination. It’s interesting to think about cities as nods of light flow. Could Boston be the North Star for pilots?

Auditorily, morse code style of beeps works like curbs for road drivers.