MD-11 Flight Crew Operations Manual
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Warning and Alerting -
Description and Operation
Warn.10.21
REMARKS - visual on audio control panel indicating applicable radio (not
inhibited).
Tire Failure
AURAL - TIRE FAILURE voice.
• Logic - one or more tire failed (signal from BTM/TPI).
• Inhibit - takeoff (80 KTS to 400’ RA) and landing (100’ RA to 80 KTS).
VISUAL - MASTER CAUTION and TIRE FAIL alert (amber and boxed on
EAD).
• Logic - one or more tire failed (signal from BTM/TPI).
• Inhibit - MASTER CAUTION: takeoff (V1-20 to 400" RA) and landing
(100’ RA to 80KTS). TIRE FAIL: takeoff (V1 to 400’) and landing
(1,000’ RA to 80 KTS). Alert not inhibited.
REMARKS - Visual alert is not reissued for new tire failure, the aural will be.
Customer may select aural warning to be inhibited during takeoff and landing.
Minimums
AURAL - MINIMUMS voice.
• Logic - signal from DEUs when a/c descends thru the set minimum value.
• Inhibit - none.
VISUAL - white minimums bug turns amber on PFD.
• Logic -a/c descends thru the set minimum value.
• Inhibit - none.
REMARKS - none.
Approaching Minimums
AURAL - APPROACH MINIMUMS voice.*
• Logic - signal from DEUs when a/c descends thru the set minimum +
100’.
• Inhibit - none.
VISUAL - none
REMARKS - none.
Cabin Altitude
AURAL - tone.
• Logic - cabin altitude more than 10,000’ (signal from cabin pressure
switch).
• Inhibit - takeoff (80 KTS to 400’ RA) and landing (100’ RA to 80 KTS).
VISUAL - MASTER WARNING lights and red CABIN ALTITUDE alert.
November 10, 2008
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