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12-11
FOR TRAINING PURPOSES ONLY
L E A R J E T 4 5
P I L O T T R A I N I N G M A N U A L
FlightSafety
international
LDG ALT SET AT 8,000 FEET OR LESS
CABIN ALTITUDE
PROTECTION AND WARNING
14,500'
±
250'
13,700'
±
500'
10,000'
±
200'
9,500'
±
200'
8,750'
±
200'
• Master Caution lights flash / single chime
• Passenger oxygen masks deploy (Chapter 17)
• Emergency lighting system activates (Chapter 3)
• White CAS message, "PAX OXY DEPLOY"
• Cabin altitude limiters close outflow valves
• Master Caution lights flash / single chime
• Aural voice message sounds, "CABIN ALTITUDE, . . ."
– Initiate emergency descent
– Mute voice caution message with mute switch
• Amber CAS message "CABIN ALTITUDE" illuminates
• Cabin altitude digital readout on CPC flashes
• CAB ALT display on EICAS/MFD turns from amber to red
• Master Caution lights flash / single chime
• Emergency cabin pressurization activates (Chapter 9)
• Amber CAS message, "LR EMER PRESS ON"
• Cabin altitude digital readout on CPC flashes
• EMER PRESS switch caption ON illuminates
• Master Caution lights flash / single chime
• Amber CAS message, "CABIN ALTITUDE"
• Cabin altitude digital readout on CPC flashes
• CAB ALT display on EICAS/MFD turns amber and
is boxed
C
A
B
I
N
A
L
T
I
T
U
D
E
Table 12-2. PRESSURIZATION PROTECTION AND WARNING FEATURES (NORMAL)