Definition
A Standard Terminal Arrival Route (STAR) is a published, pre-planned instrument flight rules (IFR) arrival procedure that connects the en route structure to a fix from which an instrument approach can be initiated. It provides a charted sequence of waypoints, altitudes, and sometimes speeds that transition arriving aircraft from cruise into the terminal area in an orderly, predictable way.
Plain English
A STAR is a published arrival path that guides an aircraft from its cruise route down into the busy airspace around an airport, ending at a point where the pilot can begin the instrument approach to land.
Context Anchor
Seen on published arrival charts, in instrument clearances, and when setting up the aircraft’s navigation before arriving at a busy airport.
Derivation
‘Terminal’ here comes from Latin terminus, meaning ‘end’ or ‘boundary’ — the terminal area is the airspace at the end of the en route portion of a flight, surrounding the destination airport. So a Standard Terminal Arrival Route is simply a standardised path into that end-of-flight airspace.
Why Pilots Care
Reduces pilot workload, improves traffic flow, and lowers the chance of errors during busy arrivals.
Intuition Check
A STAR is not just any route you choose when arriving. It is a published instrument arrival route that you fly when it is assigned or included in your clearance.
Example Sentence 1
Approaching Denver, the crew was cleared to descend via the TOMSN STAR, with all published altitude and speed restrictions in effect.
Example Sentence 2
ATC issued a clearance via the BRIDGE STAR arrival to runway 27.