Mode 1
SINK RATE, SINK RATE.. PULL UP, PULL UP
Mode 2
Terrain terrain, pull up pull up
Mode 3
Don’t sink, don’t sink
Too low, terrain
Mode 4a
Too low, gear.
Too low, terrain.
Mode 4b
Too low, flaps
Too low, terrain
Mode 5
Glide slope, glide slope!
RA warning 300-50RA when?
More than half scale deflection below glide slope
RA AMBER
When descending below bugged minimum radio altitude. Set by pilot.
Mode 6
Bank angle
Mode 7
Wind shear