IFR

Enroute Clearance

The enroute clearance, often also called IFR clearance, is usually the first clearance that an ai...

SID - Standard Instrument Departure

In order to connect airports with the airway system for IFR flights, predefined departure routes ...

Classification of Instrument Approaches

Segment of an instrument approach Arrival Segment: This segment represents a transition from...

Slots

A slot generally refers to a specific time window. In aviation, these are mainly used for times w...