Apollo SL60 Guia do Utilizador descarregar pdf (Página 127)

Ground (GRND): Ground communication

frequency

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.

Heading: The direction that the aircraft is pointing.

I 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.

Instrument Flight Rules (IFR)

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

seconds of a circle, east or west of the Prime

Meridian (Greenwich, England).

M Magnetic North: The region, some distance from

the geographic north pole where the earth’s

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Apollo SL60 Guia do Utilizador Página 127