MWF

Monitor warning function

The MWF receives warning, caution, advisory and status of aircraft system, providing feedback through the EICAS and aural warnings.

Autoland

Determines whether an autoland can be performed. Examines data from the PFD, AFCS, MRC, radio altimeter, and sensor configurations. Available when:

FD, AP, yaw damper, and AP trim are correct in both lanes of the high priority FGCS
AFCS receives correct data from at least 2 independent IRS, ADS, and ILS source
radio altimeter miscompare is not set
AFCS receives correct data from at least 2 independent radio altimeter sources
at least 2 flap position signals are correct
at least 1 left side and 1 right side wheel speed signals are correct
the AP servos (aileron and elevator) are operational
parallel rudder system is serviceable
FBW is autoland capable
autoland 1 or 2 APM is engaged
cross-lane actuator I/O processor is autoland capable