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Garmin APOLLO GX65 User Manual

Page 320

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Ground Speed (GS): Speed of travel across the
ground. In aviation, the relation between ground
speed and air speed is affected by the prevailing
winds.

H

HDOP: Horizontal Dilution of Precision. See
Dilution Of Precision.

Hold:

Waypoint

sequencing

is

disabled

or

suspended. A hold may be automatically or manually
activated. This should not be confused with a
“holding pattern.” Pressing the OBS/HLD key
suspends waypoint sequencing.

I

IAF: Initial Approach Fix.

Identifier: A name, typically abbreviated, assigned to
a waypoint. The identifier may consist of numbers
and alpha characters, up to six in length. For example,
the airport identifier for Los Angeles International
Airport is LAX.

IFAF: Initial and Final Approach fix. A combined
Initial and Final approach Fix with no intermediate
waypoints.

IFR: Instrument Flight Rules

Intersection

(INT):

A

point

defined

by

any

combination of courses, radials, or bearings of two or
more navigational aids.

K

Knot (kt): A unit of speed equal to one nautical mile
per hour.

L

Latitude (Lat): Any line circling the earth parallel to
the equator, measured in degrees, minutes, and
seconds north and south of the equator.

LFAC: Landing FACility.

Longitude (Lon): Any line from the north to the
south pole, measured in degrees, minutes, and

15-6

Glossary

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