Maritime English
External Communication

What is Busy Channel?

Busy Channel Notification that the selected VHF working channel is congested with traffic, making immediate communication difficult.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Busy Channel” Used in Practice?

Vessel Cape Star, this is Port Control; channel 16 is busy, remain on standby and wait for further instructions.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Busy Channel?

Notification that the selected VHF working channel is congested with traffic, making immediate communication difficult.

Where can I learn this term for free?

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