Glossary Navigation & Airspace

Airspace Classification

Definition

The system dividing airspace into classes (A through G) with different rules and requirements

Related Terms

Flight Information Region (FIR)

A defined area of airspace in which flight information and alerting services are provided

Flight Level (FL)

A standard altitude reference based on a fixed pressure setting of 29.92 inHg (1013.25 hPa)

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More in Navigation & Airspace

Airway (AWY) Approach Procedure Area Navigation (RNAV) Decision Height (DH) Distance Measuring Equipment (DME) Flight Information Region (FIR) Flight Level (FL) GPS Navigation (GPS) Glideslope (GS) Instrument Landing System (ILS) Minimum Safe Altitude (MSA) Missed Approach Non-Directional Beacon (NDB) Required Navigation Performance (RNP) Squawk Code Standard Instrument Departure (SID) Standard Terminal Arrival Route (STAR) Transition Altitude (TA) Transponder (XPDR) VHF Omnidirectional Range (VOR) Waypoint (WPT)

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