IFD500 Series Pilot Guide
4-56 Map Subsystem
advisories. The following table describes the possible annunciations
that can be displayed.
FLTA imminent ground threat
FLTA imminent obstacle threat
FLTA likely ground threat
FLTA likely obstacle threat
HTAWS failure due to invalid GPS position/velocity
HTAWS self-test is in progress
HTAWS is turned off, aircraft is hovering, aircraft is
within an FLTA exclusion area, or aircraft is on
ground
HTAWS is in reduced protection mode