Glossary
Navigation & Airspace
Approach Procedure
Definition
A series of maneuvers used to align an aircraft with a runway for landing
Related Terms
Decision Height (DH)
The altitude during a precision approach at which the pilot must decide to land or go around
Descent
The phase of flight where an aircraft reduces altitude as it approaches the destination
Instrument Landing System (ILS)
A precision approach system using radio signals to guide aircraft to a runway in poor visibility
Landing
The final phase of flight where an aircraft descends to the runway surface
Minimum Safe Altitude (MSA)
The lowest altitude providing obstacle clearance within a specified area
Missed Approach
A procedure followed when an aircraft cannot complete a landing approach safely
Standard Terminal Arrival Route (STAR)
A published flight procedure followed by aircraft arriving at an airport
More in Navigation & Airspace
Airspace Classification
Airway (AWY)
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)