737 MAX Flight Crew Operations Manual
Supplementary Procedures -
Flight Management, Navigation
SP.11.2
MN-FLT-OH-201
WXR (EFIS control panel) ...................................................... ON
Weather Radar Mode ........................................................... TEST
Verify the amber WINDSHEAR caution, red WINDSHEAR
warning and PWS FAIL annunciations display momentarily and
then extinguish.
Note:
In the short time the weather radar is on and not in the TEST
position, it will radiate.
IRS
Align Light(s) Flashing
Do not move IRS Mode selector to OFF except where called for in
procedure.
POS INIT page ............................................................................... Select
Set IRS position .................................................... Enter present position
Enter present position using the most accurate latitude and longitude
available. If the present position is being entered via the CDU and a
position is already displayed on the SET IRS POS line, enter new
position over displayed position.
If ALIGN light continues to flash:
Set IRS position ..........................................Enter present position
Re-enter same present position.
If ALIGN light continues to flash after re-entry:
IRS ..........................................................................................OFF
Rotate IRS Mode Selector to OFF and verify ALIGN light
extinguished.
Note:
Light must be extinguished before continuing with
procedure (approximately 30 seconds.)
IRS .........................................................................................NAV
Rotate IRS Mode Selector to NAV and verify ALIGN light
illuminated.
Set IRS position ..........................................Enter present position
Enter present position. If ALIGN light flashes, re-enter same
present position over displayed position.
March 1, 2021
