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The results and procedures for takeoff phase apply, except that the displays do not show the
engine-out SID.
ENGINE-OUT IN GO-AROUND PHASE
Applicable to:
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The results and procedures for takeoff phase apply, except that the displays do not show the
engine-out SID.
Note: If a speed constraint, lower than Green Dot, exists in the Missed Approach procedure, the
speed target displayed on the PFD speed scale, when leaving the SRS mode, will be this
speed constraint.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - SECONDARY FLIGHT PLAN
A318/A319/A320/A321 FLEET DSC-22_20-60-60 P 1/6
FCOM 19 AUG 10
SECONDARY FLIGHT PLAN
Applicable to:
The secondary flight plan (SEC F-PLN) is an alternative flight plan which can be activated when
required.
It may include all the vertical elements except history wind data.
The flight crew can :
Create a secondary flight independently from the active flight plan (‐ a secondary flight plan can be
created while a temporary flight plan exists).
‐ Copy it from the active flight plan.
‐ Delete it completely.
‐ Activate it, when the “ACTIVATE SEC” prompt is displayed : The secondary flight plan becomes
the active flight plan.
‐ The screen displays the “ACTIVATE SEC” prompt in flight if :
• HDG (or TRK) mode is engaged, or
• NAV mode is engaged, and the active leg of the primary and secondary flight plans are
common.
‐ The screen displays the “INIT” prompt if the secondary flight plan is not a copy of the active flight
plan.
The secondary flight plan sequences with the active flight plan when it is a copy of the active.
The navigation display shows the secondary flight plan in white.
In PLAN mode, the crew can use the slew keys to review the secondary flight plan (as for the primary
flight plan).
PREDICTIONS
The FMGS computes predictions using the same performance methods and performance factor
as for the active flight plan. However, it predicts pseudo-waypoints only for display the MCDU, and
not for the Navigation Display (ND).
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - SECONDARY FLIGHT PLAN
A318/A319/A320/A321 FLEET DSC-22_20-60-60 P 2/6
FCOM 19 AUG 10
‐ Computation of predictions when the secondary flight plan is a copy active of the
primary
The predictions are computed in the following cases :
• during preflight if the origin airports are similar (takeoff runway may be different)
• during takeoff, climb, or cruise phase if the active leg is also the first leg of the secondary.
• until the top of descent is reached. (Top of descent of primary or secondary, whichever
comes first).
After top of descent, secondary predictions are lost when the systems detects an engine failure.
‐ The pilot may use the secondary flight plan in the following situations :
• At takeoff when an alternate takeoff runway is probable.
• In flight to prepare a diversion.
• In flight when an alternate landing runway is probable.
• To prepare the next flight.
Note: The procedures used for the secondary flight plan are similar to those of the active flight
plan.
SECONDARY FLIGHT PLAN
Applicable to:
The secondary flight plan (SEC F-PLN) is an alternative flight plan which can be activated when
required.
It may include all the vertical elements except history wind data.
With respect to the secondary flight plan, you can :
Construct it independently (it can be ‐ created while a temporary exists).
‐ Copy it from the active flight plan.
‐ Delete it completely.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
AUTO FLIGHT - FLIGHT MANAGEMENT
OTHER FUNCTIONS - SECONDARY FLIGHT PLAN
A318/A319/A320/A321 FLEET DSC-22_20-60-60 P 3/6
FCOM 19 AUG 10
‐ Activate it as primary flight plan using ACTIVATE SEC prompt.
‐ The screen displays the “ACTIVATE SEC” prompt in flight if :
• HDG (or TRK) mode is engaged, or
• NAV mode is engaged, and the active leg of the primary and secondary flight plans are
common.
‐ The screen displays the “INIT” prompt if the secondary flight plan is not a copy of the active flight
plan.
The secondary flight plan sequences with the active flight plan when it is a copy of the active.
The navigation display shows the secondary flight plan in white.
In PLAN mode, the crew can use the slew keys to review the secondary flight plan (as for the primary
　
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