M2C3 Airport to Airport - Aeronautical Charts

Module 2 Aircraft Systems and Airports

cartography

the art and science of creating charts and maps

chart

a projection, usually on paper, showing a body of land and other features such as water. The chart gives information, usually in the form of symbols, graphs or illustrations.

fix

the intersection of two lines of position

latitude

a system of lines that run parallel to the equator, also know as parallels

legend

an illustration showing the symbols that are used on charts

line of position (LOP)

the concept that an airplane is located somewhere along a given line

longitude

a system of lines, known as meridians, between the north and south poles

map

a representation of the surface of the Earth (or the sky/space above)

nautical mile

a unit of length that is approximately 6076 feet

projection

a method of transferring a portion of the Earth's surface onto a flat chart. The most widely used aeronautical charts is the Lambert Conformal Conic.

relief

a term used to describe elevations. A relief is depicted by color tints, contour lines and shading.

sectional

a chart specifically designed for aviation use and Visual Flight Rules. The scale is 1:500,000 or approximately 8 statute miles to one inch

scale

the size of an item, or area, on a chart

statute mile

a unit of length that is 5,280 feet (land mile)

tick

a small, or abbreviated mark on a line

WAC

This is the World Aeronautical Chart. It covers a much larger area than the sectional chart. The scale of the WAC is 1:1,000,000 or approximately 16 statute miles per one inch.