Garmin GTN 625 Pilot's Manual page 460

HDG
Foreword
Heading
Getting
Started
HFOM
Hg
Xpdr Ctrl
hPa
HPL
Com/Nav
HSDB
HSI
FPL
HTAWS
Hz
Direct-To
Proc
IAF
ICAO
Wpt Info
IFR
IGRF
Map
ILS
IMC
Traffic
IOI
INFO
Terrain
in HG
INT
Weather
INTEG
ITI
Nearest
Services/
Music
L
LAT
Utilities
LCD
LCL
System
LED
Leg
Messages
LIFR
LNAV
Symbols
LOC
LOI
Appendix
LON
LPV
Index
LRU
18-4
heading
The direction an aircraft is pointed, based upon
indications from a magnetic compass or a properly set
directional gyro
Horizontal Figure of Merit
mercury
hectopascal
Horizontal Protection Level
High-Speed Data Bus
Horizontal Situation Indicator
Helicopter Terrain Awareness and Warning System
Hertz
Initial Approach Fix
International Civil Aviation Organization
Instrument Flight Rules
International Geomagnetic Reference Field
Instrument Landing System
Instrument Meteorological Conditions
Imminent Obstacle Impact
information
inches of mercury
intersection(s)
integrity (RAIM unavailable)
Imminent Terrain Impact
left, left runway
latitude
Liquid Crystal Display
local
Light Emitting Diode
The portion of a flight plan between two waypoints
Low Instrument Flight Rules
Lateral Navigation
localizer
loss of integrity (GPS)
longitude
Localizer Performance with Vertical guidance
Line Replacement Unit
Garmin GTN 625/635/650 Pilot's Guide 190-01004-03 Rev. F