Filter
Top Products
Appendix A
Glossary of Navigation Terms
A
Automatic 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.
B
Bearing (BRG): The direction to any point, usually
measured in degrees relative to true or magnetic north.
C
Constellation: 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)
D
Database: 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 built-in
P/N 560-0119-00 A-1
Apollo 360 Map Display Glossary of Navigation Terms