Portland Speed Time Distance Calculator South Atlantic Ocean Accessing the International SafetyNET Manual

Accessing the International SafetyNET Manual is essential for anyone involved in maritime safety

The amount of information in this navigation chart is astounding

and through many centuries of navigation and seamanship

The triangle is oriented toward three equal-width stripes symbolizing areas of natural resource

this log book simplifies the process of tracking and monitoring your radar's operation and maintenance history

Portland Speed Time Distance Calculator South Atlantic Ocean Accessing the International SafetyNET ManualPortland Speed Time Distance Calculator Simple to use slide rule Calculates the third variable given the other two (distance covered, given speed and elapsed time) Outer sleeve manufactured from high impact plastic NATO size also available