MD-11 Flight Crew Operations Manual
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Warning and Alerting -
Description and Operation
Warn.10.20
Standard Annunciations Table
Altitude Alert
AURAL - C-chord.
• Logic - approaching or deviating selected altitude.
• Inhibit - takeoff (80 KTS and 400’ RA) and landing (100’ RA to 80 KTS)
VISUAL - amber box flashes on PFD altitude scale.
• Logic - approaching or deviating selected altitude.
• Inhibit - none.
REMARKS - options: 1. no light at acquisition. 2. tone at acquisition. 3. inhibit
with flaps in landing. 4. inhibit with FMS approach.
Autopilot Disconnect
AURAL - warbler.
• Logic - AP disconnect in all flight regimes (signal from FCC).
• Inhibit - none.
VISUAL - red flashing AP OFF on PFD.
• Logic - AP disconnect full flight regime (signal from FCC).
• Inhibit - none.
REMARKS - none.
Horizontal Stabilizer in Motion
AURAL - horn.
• Logic - horizontal stabilizer in continuous motion (2 degrees or more).
• Inhibit - Aircraft on ground.
VISUAL - display on secondary engine page and configuration synoptic.
• Logic - current status of stabilizer.
• Inhibit - none.
REMARKS - none.
SELCAL
AURAL - chime.
• Logic - call on preselected channel.
• Inhibit - takeoff (80 KTS to 400’ RA) and landing (100’ RA to 80 KTS).
VISUAL - call light on ACP illuminates indicating applicable radio.
• Logic - none.
• Inhibit - none.
November 10, 2008
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