曝光台 注意防骗
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FCOM 19 AUG 10
Note: Modification of the SCAN SELECT setting may result in the loss of air-ground VHF datalink
communication. Therefore, the SCAN SELECT setting should not be modified by the flight
crew, unless they have been instructed to do so.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
INFORMATION SYSTEMS
Intentionally left blank
A318/A319/A320/A321 FLEET PRO-SUP-46 P 12/12
FCOM 19 AUG 10
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
POWER PLANT
A318/A319/A320/A321 FLEET PRO-SUP-70 P 1/16
FCOM 19 AUG 10
THRUST CONTROL
Applicable to:
GENERAL
The flight crew uses console-mounted levers to control engine thrust. Each lever sends electrical
signals to the FADEC of the engine it controls. The FADEC responds to the thrust lever position or
an autothrust command by setting the engine thrust.
The thrust lever quadrant is the equivalent of a thrust rating panel. For each lever it has five
detents. Moving the thrust lever to the forward stop of the quadrant always gives maximum takeoff
or go-around thrust, as appropriate, and signals the AP/FD to go to takeoff or go-around, as
appropriate. The FMA (Flight Mode Annunciator) in the left window of each PFD displays the
status of the thrust system to the pilot.
The engine instrument display gives a read-out of the engine thrust mode (CL, MCT, etc.) and the
appropriate engine limit. It displays the actual limit set, thrust lever position, FADEC command,
and maximum engine rating limit continually.
MANUAL THRUST CONTROL
With A/THR disconnected, thrust control between full reverse (on the ground only) and maximum
takeoff or go-around thrust is entirely conventional.
TLA (Thrust Lever Angle) determines the thrust demanded.
The rating limit selected by the pilot and the actual engine limit appear on the engine instrument
display.
With the thrust lever short of the CL position on the quadrant, the engine instrument display shows
CL continually. If one or both thrust levers are above CL, it shows MCT/FLEX. If one or both thrust
levers are beyond the MCT detent, it shows TOGA. With the thrust levers positioned in a detent,
the detent setting controls the engines to that limiting parameter.
AUTOTHRUST
When active A/THR controls either speed, thrust or retard as appropriate. The engine limit
corresponds to the thrust lever position. If the thrust lever is below the CL detent then the TLA
determines the engine power limit.
With the thrust lever above the CL detent, autothrust reverts to arm (A/THR blue on FMA) except if
alpha-floor is active. CLB (or LVR CLB) flashes on the FMA.
If the thrust levers are not aligned, an asymmetric message (ASYM or LVR ASYM) appears on the
FMA. If so, each engine is limited to its appropriate TLA.
This allows the use of autothrust to continue if one engine has to have its maximum RPM limited
for some operational reasons such as excessive vibration.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
PROCEDURES
SUPPLEMENTARY PROCEDURES
POWER PLANT
A318/A319/A320/A321 FLEET PRO-SUP-70 P 2/16
FCOM 19 AUG 10
AUTOTHRUST DISCONNECTION
Autothrust disconnection occurs when:
‐ The A/THR fails, or
‐ The FCU’s A/THR pb is pressed, or
‐ The thrust lever(s)’ instinctive disconnect button is pressed, or
‐ Both thrust levers are set to IDLE.
‐ When the radio altitude is below 100 ft and:
• Both thrust levers above CL detent or
• One thrust lever above MCT detent.
1. Disconnection, due to a failure or to the use of the FCU A/THR pb.
If the thrust levers are in the CL detent (both engines operating), or one thrust lever in the
MCT (one engine operative), the thrust is locked at its actual value. The FMA displays “THR
LK”. A single chime sounds, and an amber ECAM caution appears, as long as thrust is
locked. (For more details, Refer to STLO-22_30_R-90-B A/THR DISCONNECT - Below 100
feet radio altitude).
Movement of the thrust lever(s) unlocks the thrust, and the engine then responds to TLA at
the normal rate.
2. Disconnection, due to the use of instinctive disconnect button.
When a pilot presses the instinctive disconnect button, the engines immediately develop
thrust corresponding to the position of their thrust levers, whatever that might be.
INSTINCTIVE DISCONNECTION PROCEDURE
To avoid any confusion for those pilots flying the A318/A319/A320/A321 with different
modifications (with, and without, energy management), Airbus recommends that pilots use one
procedure for disconnecting with the instinctive disconnect button.
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A320机组操作手册FLIGHT CREW OPERATING MANUAL 14(101)
