WX-500 Lightning Strikes
1
st
Ed Nov 2018
IDU-450 EFIS Software Version 8.0H (Rotorcraft)
S-1
WX-500 Lightning Strikes
S 1. WX-500 Data
When selected, the ND displays cell mode or strike mode lightning strikes
in correct relationship to the ownship symbol with the following limits.
Table S-1: Lightning Strikes
Time or Distance Limit
View
Display scale less than 25 NM
Strikes not shown
More than 3 minutes old
Strikes less than 20 seconds old
Lightning symbol
Strikes between 20 seconds and 2 minutes old Large cross symbol
Strikes between 2 and 3 minutes old
Small cross symbol
The pilot may select either an arced or centered display format.
Arced
: Ownship displaced toward the bottom of the screen. Strike data are
displayed in a larger scale while displaying all data within range ahead of
the aircraft.
Centered
: Ownship symbol is in the center of the ND with navigation data
is displayed out to an equal distance in all directions.
The strikes page has Strikefinder markings aligned with either magnetic
north or true north depending upon the status of the true north discrete
input. When the AHRS is in DG mode, “DG” appears to the right of the
ownship symbol.
Figure S-1: Strikes Page
