Definition
Pre-planned instrument flight rules (IFR) arrival procedures published in graphic and textual form, designed to provide a structured transition from the en route environment to a fix or point from which an approach to landing can be made at a destination airport. STARs simplify clearance delivery, reduce pilot/controller workload, and standardize traffic flow into busy terminal areas.
Plain English
A published, ready-made arrival path that takes you from the cruise portion of your flight down to a point near the destination airport where you can begin your approach. Instead of ATC reading out a long string of headings and altitudes, they just assign you a STAR and you fly the route as charted.
Context Anchor
You will see STARs on instrument charts, in flight planning, and in air traffic control clearances when arriving at larger or busier airports.
Derivation
"Terminal" here refers to the terminal area — the airspace surrounding a busy airport where arrivals and departures are managed. A STAR is the standard, published route through that terminal area on the way in.
Why Pilots Care
They reduce radio communications, ensure obstacle clearance, and help manage traffic flow into busy airports.
Intuition Check
Do not read terminal as the airport building. In STARs, terminal means the airspace and traffic area around the airport. Also, standard does not mean casual or optional; it means the route is published and expected when assigned or accepted.
Example Sentence 1
Approaching Denver, the controller said, "Cleared via the FLATI ONE arrival, descend via the STAR."
Example Sentence 2
ATC cleared the aircraft via the BRYCE ONE arrival, which is a STAR into the Denver area.