The ECDIS must have the capability to...

Question 1 of 2707066636ee928f7522a1c51963e

The ECDIS must have the capability to preserve the record of the voyage track. How many hours of the previous track are required to be maintained?

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Question 1 of 27070

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The ECDIS must have the capability to preserve the record of the voyage track. How many hours of the previous track are required to be maintained?

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🔍 Key Concepts

• SOLAS Chapter V Regulation 19 – Carriage and performance standards for navigation systems including ECDIS • IMO ECDIS performance standards (track control and track history requirements) • Difference between short‑term display needs vs. minimum recording/playback requirement

💭 Think About

• Is the question asking about how much track you normally see on the screen, or the minimum amount that must be recorded and retrievable? • Think about voyage reconstruction after an incident: what is a reasonable minimum period the authorities would expect to be able to review? • Compare the options: which seems too short to be useful for an investigation, and which might be unnecessarily long for a minimum standard?

✅ Before You Answer

• Re‑read the wording: it says "preserve the record of the voyage track", not just display it. • Consider what SOLAS V/19 and IMO ECDIS standards say about minimum track history storage in hours. • Eliminate any option that would obviously be insufficient to review a significant navigational event (like a coastal passage or approach to port).