Nav

خط دوران الدفة

A track line shown on chart or radar which, when crossed, indicates the precise moment to start the wheel-over so that the intended new course is met accurately.

Quick answer: A track line shown on chart or radar which, when crossed, indicates the precise moment to start the wheel-over so that the intended new course is met accurately.

This term page is part of the Protermify Maritime glossary and is published as static HTML for fast indexing and clear language coverage.

Languages

Quick answer

A track line shown on chart or radar which, when crossed, indicates the precise moment to start the wheel-over so that the intended new course is met accurately.

Why it matters

خط دوران الدفة matters because it supports clear communication in Nav contexts for Deck Officers, Engine Officers, and Masters. It also connects to aviation training and exam language such as STCW, Marlins Test, ISF Watchkeeper, and GMDSS.

Editorial context

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Questions and answers

Questions and answers

What is خط دوران الدفة?

In this glossary, خط دوران الدفة refers to: A track line shown on chart or radar which, when crossed, indicates the precise moment to start the wheel-over so that the intended new course is met accurately.

How is خط دوران الدفة used in maritime?

In maritime communication, this term appears in contexts such as: "مركز سنغافورة: حافظ على المسار الحالي؛ ابدأ الدوران فقط بعد أن يظهر جهاز الكونينج تجاوز خط دوران الدفة."

Why does خط دوران الدفة matter in maritime?

خط دوران الدفة matters because it supports clear communication in Nav contexts for Deck Officers, Engine Officers, and Masters. It also connects to aviation training and exam language such as STCW, Marlins Test, ISF Watchkeeper, and GMDSS.

Who uses خط دوران الدفة?

خط دوران الدفة is mainly used by Deck Officers, Engine Officers, and Masters.

What category does خط دوران الدفة belong to?

In this glossary, خط دوران الدفة is grouped under Nav. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from IMO SMCP, STCW Convention, SOLAS, COLREG and published by Protermify Maritime as a static maritime reference page.

Definition

A track line shown on chart or radar which, when crossed, indicates the precise moment to start the wheel-over so that the intended new course is met accurately.

Operational example

VTS Singapore: Maintain present track; commence turn only after your conning display shows the vessel has crossed the wheel-over line.

Localized term

خط دوران الدفة

Localized example

مركز سنغافورة: حافظ على المسار الحالي؛ ابدأ الدوران فقط بعد أن يظهر جهاز الكونينج تجاوز خط دوران الدفة.

Definition language

English reference definition

Source

IMO SMCP, STCW Convention, SOLAS, COLREG

Category

Nav

Exam relevance

  • STCW
  • Marlins Test
  • ISF Watchkeeper
  • GMDSS

Target audience

  • Deck Officers
  • Engine Officers
  • Masters

Related terms

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

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