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.