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Section 2 System Overview
2-6
IDU-450 EFIS Software Version 8.0H (Rotorcraft)
1
st
Ed Nov 2018
IVSI
Instantaneous Vertical Speed Indicator
IWP
Intermediate Approach Waypoint
K Kilo=1000
KB Kilobyte
kHz
Kilohertz
KIAS
Knots Indicated Airspeed
KT
Knot - Nautical Mile per Hour
KTAS
Knots True Airspeed
LAT Latitude
LCD Liquid
Crystal
Display
LCL Local
LDA
Localizer-type Directional Aid
LED
Light Emitting Diode
LGND Legend
LIFR
Low IFR conditions (Ceiling < 100’ or visibility < 1 mile)
LNAV Lateral
Navigation
LOC Localizer
LOI
Loss of Integrity
LON
Loss of Navigation; Longitude
LP Localizer
Performance
LPV
Localizer Performance with Vertical Guidance
LTP
Landing Threshold Point
LVL Level
MA
Waypoint is part of the missed approach segment of an
Instrument Approach Procedure
MAGVAR
Magnetic Declination (Variation)
MAHP
Missed Approach Holding Point
MAHWP
Missed Approach Holding Waypoint (same as MAHP)
MAN Manual
MAP
Missed Approach Point; Missed Approach Procedure
MASPS
Minimum Aviation System Performance Standard
MAWP
Missed Approach Waypoint (also MAWPT)
mbar Millibars
MDA
Minimum Descent Altitude