Operation Manual Part 2

Aerosoft – Digital Aviation
CRJ-70 & CRJ-900
AOM PART 2
Systems Description
VOL
5
5-1-14
26-Jul-2017
LANDING CONFIG WARNING
Like the take-off configuration the landing configuration is automatically checked, too. A deviation will be
indicated by the landing gear horn. Two minutes after lift-off (ground to air transition) the mechanism is armed
and will sound if one of the following conditions exists:
OR
AND
AND
OR
AND
OR
• Radio altitude < 500 ft
• Both throttles at less than maximum landing setting
OR
• Flaps > 30°
• Both throttles at less than maximum landing setting
OR
• Any one throttle is at IDLE with the landing gear warning horn muted
• Airspeed < 170 kts
• Flaps > 30°
OR
• Airspeed < 190 kts
• Flats / slats = 0
• Radio altimeter OR throttle is not valid
• Radio altitude is less than 1000 ft AGL
• vertical speed less than -400 ft/min
• No windshear warning or a windshear warning with a windshear monitor failure
• Radio altitude is less than 1000 ft AGL
• vertical speed OR GPWS not valid
The “Too low gear” aural warning is heard if:
• any landing gear is not down and locked
• radio altitude less than 500 ft AGL
• indicated airspeed at less than 190 knots.