Navigation

Arc

A segment of a circle at a fixed distance from a navigation aid, usually flown as part of a procedure turn, approach, or missed approach using DME or RNAV guidance.

Quick answer: A segment of a circle at a fixed distance from a navigation aid, usually flown as part of a procedure turn, approach, or missed approach using DME or RNAV guidance.

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Quick answer

A segment of a circle at a fixed distance from a navigation aid, usually flown as part of a procedure turn, approach, or missed approach using DME or RNAV guidance.

Why it matters

Arc 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.

Editorial context

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Questions and answers

Questions and answers

What is Arc?

In this glossary, Arc refers to: A segment of a circle at a fixed distance from a navigation aid, usually flown as part of a procedure turn, approach, or missed approach using DME or RNAV guidance.

How is Arc used in aviation?

In aviation communication, this term appears in contexts such as: "Fly the arc at ten nautical miles DME from VOR SAM, maintain altitude until instructed."

Why does Arc matter in aviation?

Arc 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 Arc?

Arc is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Arc belong to?

In this glossary, Arc 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.

Definition

A segment of a circle at a fixed distance from a navigation aid, usually flown as part of a procedure turn, approach, or missed approach using DME or RNAV guidance.

Operational example

Fly the arc at ten nautical miles DME from VOR SAM, maintain altitude until instructed.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Navigation

Exam relevance

  • ICAO Level 4
  • ICAO Level 5
  • ICAO Level 6
  • EASA FCL.055

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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