787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Warning Systems -
System Description
Copyright © The Boeing Company. See title page for details.
15.20.34 D615Z003-TBC
New TCAS TRAFFIC TA or RA alerts:
• when both NDs are in MAP or MAP CTR mode and a new TCAS TA or
RA alert occurs, TFC is selected automatically for both NDs and TCAS
traffic is displayed on both NDs
• when only one ND is in MAP or MAP CTR mode and a new TCAS TA or
RA alert occurs, TFC is selected automatically for that ND and TCAS
traffic is displayed. The ND not in MAP or MAP CTR mode is armed for
TCAS display and TFC will be selected automatically when MAP or MAP
CTR mode is selected
• when neither ND is in MAP or MAP CTR mode and a new TCAS TA or
RA alert occurs, both NDs are armed for TCAS display and TFC will be
selected automatically when MAP or MAP CTR mode is selected
New look-ahead terrain alerts:
• when both NDs are in MAP or MAP CTR mode and a new look-ahead
terrain alert occurs, TERR is selected automatically for both NDs
• when only one ND is in MAP or MAP CTR mode and a new look-ahead
terrain alert occurs, TERR is selected automatically for that ND. The ND
not in MAP or MAP CTR mode is armed for TERR display and TERR will
be selected automatically when MAP or MAP CTR mode is selected.
TERR is disarmed by selecting WXR prior to selecting MAP or MAP CTR
mode
• when neither ND is in MAP or MAP CTR mode and a new look-ahead
terrain alert occurs, both NDs are armed for TERR display and TERR will
be selected automatically when MAP or MAP CTR mode is selected.
TERR is disarmed for either ND by selecting WXR prior to selecting MAP
or MAP CTR mode on the respective ND
New PWS alerts:
• when both NDs are in MAP or MAP CTR mode and a new PWS alert
occurs, WXR is selected automatically for both NDs
• when only one ND is in MAP or MAP CTR mode and a new PWS alert
occurs, WXR is selected automatically for that ND. The ND not in MAP or
MAP CTR mode is armed for WXR display and WXR will be selected
automatically when MAP or MAP CTR mode is selected. WXR is
disarmed by selecting TERR prior to selecting MAP or MAP CTR mode
• when neither ND is in MAP or MAP CTR mode and a new PWS alert
occurs, both NDs are armed for WXR display and WXR will be selected
automatically when MAP or MAP CTR mode is selected. WXR is
disarmed by selecting TERR prior to selecting MAP or MAP CTR mode
February 15, 2010
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