10-66
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Terrain
10.8.5.8 Flight Into Terrain Alert
Flight Into Terrain
(FIT)
alerts occur when the aircraft is too low with
respect to terrain based on landing gear status, flap position, and ground speed.
FIT caution alerts are issued when flight conditions meet the criteria shown
below.
Height Above T
err
ain
(Feet)
Altitude Change Rate (FPM)
* Flap position will not trigger alert if Flap Override option is enabled; refer to the discussion below.
Figure 10-46 Flight Into Terrain Caution Alert Criteria
To reduce nuisance FIT alerts on approaches where flap extension is not
desired (or is intentionally delayed), the pilot may override FIT alerting based
on the flap position, while all other FIT alerting remains in effect.
"+" Indicates Multiple Annunciations
Flap Override
Annunciation
Flap Override
Selection
Figure 10-47 TAWS-A Page Menu and FIT Flap Override Annunciation
Содержание GTN 625
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