737 MAX Flight Crew Operations Manual
Flight Instruments, Displays -
MAX Display System – Navigation
Displays
MN-FLT-OH-201
10.40.23
Weather Hazard Displays
1B401, 1B402, 1B801 - 1B824
SYMBOL
NAME
MODE
REMARKS
Predictive Hail
MAP,
MAP CTR,
VOR,
APP
Conditions in the associated
weather cell are conducive to
the development of Hail.
Predictive
Lighting
MAP,
MAP CTR,
VOR,
APP
Conditions in the associated
weather cell are conducive to
the development of Lighting.
Rain Echo
Attenuation
Compensation
Technique
(REACT)
MAP,
MAP CTR,
VOR,
APP
Indicates areas where the
radar signal has been
attenuated. These areas are
shown as magenta arcs
superimposed over the
reflectivity in the areas where
the signal attenuation is
significant. These arcs
indicate that there could be
severe weather in that area,
even though only mild or no
reflectivity is shown.
March 1, 2021