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เส้นดัชนีขนาน

A radar-derived reference line drawn parallel to the vessel's intended track, used to monitor cross-track error by keeping a chosen land echo or seamark at a constant offset.

Quick answer: A radar-derived reference line drawn parallel to the vessel's intended track, used to monitor cross-track error by keeping a chosen land echo or seamark at a constant offset.

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Quick answer

A radar-derived reference line drawn parallel to the vessel's intended track, used to monitor cross-track error by keeping a chosen land echo or seamark at a constant offset.

Why it matters

เส้นดัชนีขนาน 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 เส้นดัชนีขนาน?

In this glossary, เส้นดัชนีขนาน refers to: A radar-derived reference line drawn parallel to the vessel's intended track, used to monitor cross-track error by keeping a chosen land echo or seamark at a constant offset.

How is เส้นดัชนีขนาน used in maritime?

In maritime communication, this term appears in contexts such as: "ไพลอต: รักษาเส้นดัชนีขนานขวาให้ห่างเส้นลึก 20 ม. หนึ่งสายเคเบิล ปรับพวงมาลัยให้คงระยะ"

Why does เส้นดัชนีขนาน matter in maritime?

เส้นดัชนีขนาน 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 เส้นดัชนีขนาน?

เส้นดัชนีขนาน is mainly used by Deck Officers, Engine Officers, and Masters.

What category does เส้นดัชนีขนาน belong to?

In this glossary, เส้นดัชนีขนาน 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 radar-derived reference line drawn parallel to the vessel's intended track, used to monitor cross-track error by keeping a chosen land echo or seamark at a constant offset.

Operational example

Pilot: Keep the starboard parallel index line one cable off the 20-metre contour; adjust rudder as necessary to maintain constant offset.

Localized term

เส้นดัชนีขนาน

Localized example

ไพลอต: รักษาเส้นดัชนีขนานขวาให้ห่างเส้นลึก 20 ม. หนึ่งสายเคเบิล ปรับพวงมาลัยให้คงระยะ

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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