What is 无应答?
In this glossary, 无应答 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 无应答 used in maritime?
In maritime communication, this term appears in contexts such as: "VTS致奥斯卡船,在VHF频道12上多次呼叫未获应答。如能收到请立即回复并确认你的位置。"
Why does 无应答 matter in maritime?
无应答 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 无应答?
无应答 is mainly used by Deck Officers, Engine Officers, and Masters.
What category does 无应答 belong to?
In this glossary, 无应答 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.