What is 距离环?
In this glossary, 距离环 refers to: Circular overlays on a navigation display or chart, spaced at regular intervals from a reference point or airport, used for situational awareness and range estimation.
How is 距离环 used in aviation?
In aviation communication, this term appears in contexts such as: "在导航显示器上显示距离环以辅助距离检查和交通间隔。"
Why does 距离环 matter in aviation?
距离环 matters because it supports clear communication in Navigation contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
Who uses 距离环?
距离环 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does 距离环 belong to?
In this glossary, 距离环 is grouped under Navigation. Related pages in this category explain adjacent procedures, commands and operational concepts.
Where does this definition come from?
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
