5.00.2
A330/A340 Climb,.Cruise.And.Descent
REV.1.(6.JUN.05)
FCTM Table.Of.Contents
Descent
TOD.Computation .........................................................................................5.30.1
Lateral.Navigation .........................................................................................5.30.2
Vertical.Navigation ........................................................................................5.30.2
Speed.Considerations ...................................................................................5.30.5
Descent.Monitoring .......................................................................................5.30.5
Descent.Adjustment ......................................................................................5.30.6
Descent.Constraints ......................................................................................5.30.6
Arrival.Operating.Speeds ..............................................................................5.30.6
Adverse.Weather...........................................................................................5.30.6
Climb
FCTM REV 1 (6 JUN 05)
PREFACE
For the purpose of this manual, the climb phase is considered to be from the end of the flap retraction to the top of climb. Note however, that the FMGS enters the climb phase when SRS disengages.
CLIMB THRUST
During the climb with the thrust levers in the CL detent, the A/THR is active in thrust mode and the FADECs manage the thrust to a maximum value depending upon ambient conditions.
Engine life is extended by operating the engines at less than maximum climb rated thrust. Two levels of derated climb thrust can be selected on the PERF CLB page:
. D1, which reduces the maximum climb thrust by 5 to 10 % . D2, which reduces the maximum climb thrust by 10 to 15 %
If a derated climb has been entered prior to departure, "THR DCLB 1(2)" will be displayed on the FMA when the thrust levers are set to the CL detent at the thrust reduction altitude. The FADEC progressively reduces the derate with increasing altitude until it is zero at approximately (A343: FL250) (A333/A346: FL340). Climb performance is reduced when using derated climb thrust but the ceiling is not affected. The use of D1 is encouraged at all times and the use of D2 whenever operationally feasible. The level of derate may be modified or cancelled at any stage via the PERF CLB page.
5.10.2
A330/A340 Climb, Cruise And Descent
REV 1 (6 JUN 05)
FCTM Climb
LATERAL NAVIGATION
With the AP/FD in NAV, the aircraft will follow the programmed SID. If a deviation from the programmed SID is required, e.g. ATC vectors or weather avoidance, select HDG. If HDG is selected, the climb mode reverts to OP CLB. When cleared to a specific waypoint, perform a DIR TO to ensure correct waypoint sequencing, and re-engage CLB mode.
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