737 MAX Flight Crew Operations Manual
Flight Management, Navigation -
FMC Preflight
MN-FLT-OH-201
11.40.11
Position Reference Page 2/3
Position reference page 2 displays the airplane positions as calculated by the
FMC, IRS, GPS, and radio navigation receivers.
This page displays latitude/longitude. All position displays are in actual latitude
and longitude, as calculated by the respective system. Ground speed is displayed
for the FMC and each IRS.
1
FMC Position (FMC POS)
Displays the FMC calculated latitude/longitude.
Blank if FMC position is invalid.
2
IRS L
Displays the latitude/longitude position as determined by the left IRS.
Blank if IRS position is invalid.
3
IRS R
Displays the latitude/longitude position as determined by the right IRS.
Blank if IRS position is invalid.
4
RADIO
Displays the latitude/longitude position as determined by the navigation radios.
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March 1, 2021