2.2 Airspace structure
2.3 Airspace restrictions
2.4 ICAO charts
rules of ICAO (International Civil Aviation Authority), the airspace is divided
into different classes, from A to G. Most UAS flights take place in airspace
class G. Under certain circumstances, flights may also be conducted in airspace
class C and/or D. This primarily concerns flights conducted in the vicinity of
an airport. However, flights in this class will
fall into the Specific category of operations.
See chapter 2.5 for a summary.