Apollo 360 Map Display | Glossary of Navigation Terms |
Appendix A
Glossary of Navigation Terms
AAutomatic Terminal Information Service (ATIS): Recorded information about weather and other conditions at an airport, periodically updated when conditions change.
Azimuth: Bearing, as measured clockwise from true or magnetic north.
BBearing (BRG): The direction to any point, usually measured in degrees relative to true or magnetic north.
CConstellation: A group of stars or objects, such as GPS satellites, in the heavens.
Coordinates: Values for latitude and longitude that describe a geographical point on the surface of the earth.
Course: The planned direction of travel in a horizontal plane.
Course Deviation: A measurement of distance left or right from the desired course of travel.
Course Deviation Indicator (CDI): A graphic indicator of course deviation typically shown as a graduated horizontal bar with an icon indicating the deviation distance left or right of course.
Common Traffic Advisory Frequency (CTAF)
DDatabase: A collection of data structured in such a way as to allow quick and convenient access to any particular record or records. The Apollo 360 contains a
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