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ハーフアヘッドベルとは？

ハーフアヘッドベル Engine telegraph order instructing propulsion at half engine speed ahead, used for moderate manoeuvring or departure from berth.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “ハーフアヘッドベル” Used in Practice?

ブリッジから機関室へ：『ハーフアヘッドベル』。港外へ出るまではハーフアヘッドを使い、その後は必要に応じて調整。

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

Related Maritime English Terms

スローアヘッドベルデッドスローアヘッドデッドスローアスターンフルアヘッドベル

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Frequently Asked Questions

ハーフアヘッドベルとは？

Engine telegraph order instructing propulsion at half engine speed ahead, used for moderate manoeuvring or departure from berth.

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