AeroNav 900/880 Series Pilot
’s Guide
89000039-010
4-38
Map Subsystem
Rev 1 May 2019
Alert Function
Aural Alert
Excessive Rate of Descent
Warning
Sink Rate, Pull Up
FLTA Terrain Warning
Terrain, Pull-Up, Terrain, Pull-
Up
Or
Terrain, Terrain, Pull-Up, Pull-
Up
FLTA Obstacle Warning
Warning, Obstacle
FLTA Terrain Caution
Caution, Terrain, Caution,
Terrain
Or
Terrain Ahead, Terrain Ahead
FLTA Obstacle Caution
Caution, Obstacle
Premature Descent Alert
Too Low Terrain
500’ Altitude Callout
500
Excessive Rate of Descent
Caution
Sink Rate
Negative Climb Rate or Altitude
Loss After Takeoff
Don’t Sink
NOTE
Terrain Alert Caution Maneuver
When a terrain alert caution occurs, verify the aircraft
flight path and correct it, if required. If in doubt, perform
a climb until the caution alert ceases.
Summary of Contents for AeroNav 880
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