What is No Response?
In this glossary, No Response 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 No Response used in maritime?
In maritime communication, this term appears in contexts such as: "VTS to vessel Oscar, no response to repeated calls on VHF channel one-two. If you copy, reply immediately and confirm your position."
Why does No Response matter in maritime?
No Response 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 No Response?
No Response is mainly used by Deck Officers, Engine Officers, and Masters.
What category does No Response belong to?
In this glossary, No Response 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.