External Communication

応答なし

Phrase used to indicate that a called station has not replied within a reasonable time, requiring repeat or escalation of the call as per radio protocols.

Quick answer: Phrase used to indicate that a called station has not replied within a reasonable time, requiring repeat or escalation of the call as per radio protocols.

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

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Quick answer

Phrase used to indicate that a called station has not replied within a reasonable time, requiring repeat or escalation of the call as per radio protocols.

Why it matters

応答なし matters because it supports clear communication in External Communication 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 応答なし?

In this glossary, 応答なし refers to: Phrase used to indicate that a called station has not replied within a reasonable time, requiring repeat or escalation of the call as per radio protocols.

How is 応答なし used in maritime?

In maritime communication, this term appears in contexts such as: "VTSよりオスカー船へ、VHFチャンネル12での再三の呼びかけに応答なし。受信の場合は直ちに応答し、位置を確認してください。"

Why does 応答なし matter in maritime?

応答なし matters because it supports clear communication in External Communication 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 応答なし?

応答なし is mainly used by Deck Officers, Engine Officers, and Masters.

What category does 応答なし belong to?

In this glossary, 応答なし is grouped under External Communication. 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

Phrase used to indicate that a called station has not replied within a reasonable time, requiring repeat or escalation of the call as per radio protocols.

Operational example

VTS to vessel Oscar, no response to repeated calls on VHF channel one-two. If you copy, reply immediately and confirm your position.

Localized term

応答なし

Localized example

VTSよりオスカー船へ、VHFチャンネル12での再三の呼びかけに応答なし。受信の場合は直ちに応答し、位置を確認してください。

Definition language

English reference definition

Source

IMO SMCP, STCW Convention, SOLAS, COLREG

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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