By Lucas Rodden, Government Affairs Manager | lucasr@modelaircraft.orgAs seen in the August 2026 issue of Model Aviation.THIS MIGHT BE a harder question than it seems. Keeping definitions straight is difficult whether you’re a seasoned contest director or brand new to the hobby. Let’s take a closer look at a tool that’s becoming increasingly relevant to many modelers for both daily flights and sanctioned events: the NOTAM.NOTAM stands for Notice to Airmen (or, previously, Air Missions) and that’s exactly what it is—a notice. The NOTAM system provides information to full-scale pilots about…