VATSIM-style S1, S2, and S3 training for GeoFS controllers

How to Use This Guide

This guide turns the ATCThing website course into a structured, interactive learning document. It is written for a new controller who wants to learn what to do on frequency.

Read it in order, complete the Mini-Quizzes after each lesson, and pass the Unit Tests before moving on to the next rating.

1. Terminology Section: Learn the essential vocabulary before diving into lessons.
2. Fundamentals Unit (Unit 0): Learn the shared controller habits first.
3. S1 Unit (Unit 1): Complete S1 before attempting S2 responsibilities.
4. S2 Unit (Unit 2): Complete S2 before attempting S3 responsibilities.
5. S3 Unit (Unit 3): Complete S3 for radar and terminal airspace control.