How many days is the electronic chart current for cutters?

• A. 15 days
• B. 30 days
• C. 45 days
• D. 60 days

Answer: (C)

Keeping navigational information current is essential for safe operation, and with electronic charts you must apply updates so the chart you’re using reflects the latest known changes. For cutters, the electronic chart must be current within forty-five days. This means you should install ENC corrections and notices to mariners so the chart’s latest update is no more than 45 days old. Staying within that window ensures you have up-to-date information on coastlines, shoals, depths, and changes to aids to navigation, which reduces the risk of grounding or collision. If updates aren’t applied within that period, you’d be relying on outdated data, which can lead to dangerous navigation decisions. In practice, regular checks for official chart updates and prompt installation keep the chart status within the required 45-day window, while other vessels or chart types may have different recency requirements.