NAV3 (LO1.13 - The Sailings)

Is a unit of angular measurement equal to 1/60th of a degree.

• Arc Min

• DLat

• DLo

• DMP

The North-South distance between two points on the Earth;s surface, measured in degrees or minutes of latitude.

• DLo

• Arc Min

• DLat

• Distance

The difference between the meridional parts of two latitudes in a Mercator Projection.

• DLo

• Parallel of Latitude

• DLat

• DMP

The length of a path between two points on the Earth's surface, measured in nautical miles.

• Distance

• DMP

• DLat

• DLo

The East-West distance between two positions, measured in degrees or minutes of longitude.

• DLat

• DLo

• Distance

• DMP

The East-West distance between two points on the Earth's surface measured along a parallel of latitude, expressed in nautical miles.

• DMP

• DLo

• DLat

• DEP

The direction in which a vessel is intended to be steered, typically expressed as an angle from North.

(a)  

Travels along a path that maintains a constant angle with all meridians, meaning the vessel follows a straight line on a Mercator Chart.

• Great Circle Sailing

• Rhumb Line Sailing

• Plane Sailing

• Parallel Sailing

A simplified method of navigation that assumes the Earth is flat, and uses basic trigonometry to calculate the course and distance between two points.

• Mercator Sailing

• Great Circle Sailing

• Rhumb Line Sailing

• Plane Sailing

Involves navigating along a great circle, which is a shortest path between two points of the sphere.

(a)