The NOTAM Nexus Blog

Stories from the sky

Illustration of the four data layers a complete low-altitude picture requires, stacked together

Building a complete low-altitude picture

Why no single data source is ever enough - and what it actually takes to make regulatory, ground-risk, obstacle, and airspace data agree with each other.

 Illustration showing different airspace classes at five stops across the United States

Why the sky has lanes

A short history of how the world learned to share the sky - and where Nigeria fits into it today.