Passage Planning Ref

Passage Planning Overview
General introduction and key concepts of passage planning
Passage Planning Types
Common types and categories of passage planning
Passage Planning Best Practices
Recommended approaches and guidelines for passage planning
Passage Planning Common Mistakes
Frequent errors to avoid with passage planning
Passage Planning Quick Reference
Essential values and measurements for passage planning
Passage Planning Comparison
Compare different options and variations of passage planning
Passage Planning Standards
Industry standards and specifications for passage planning
Passage Planning Safety
Safety considerations and precautions for passage planning
Passage Planning Tools Required
Equipment and tools needed for passage planning
Passage Planning FAQ
Frequently asked questions about passage planning
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About Passage Planning

What this tool does

Marine tools calculate hull speed, fuel burn rate at various RPMs, anchor rode length, displacement, sail area, tide times, and sea distances between ports.

Why use this tool

Boating safety depends on correct calculations. Not enough anchor rode in a squall means dragging anchor. Underestimating fuel burn means running dry offshore. These tools help you plan passages with proper safety margins.

How it works

Hull speed uses the formula 1.34 x sqrt(waterline length in feet). Anchor rode applies the 7:1 scope ratio for moderate conditions. Fuel burn estimates interpolate from engine RPM and consumption curves.

Pro tip

In heavy weather, increase your anchor scope to 10:1 or more. The holding power of an anchor depends almost entirely on the angle of pull, and more rode keeps that angle close to horizontal.

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