AIRCRAFT SYSTEMS - e-Crew

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A330/A340 FLIGHT CREW OPERATING MANUAL AIRCRAFT SYSTEMS AUTO FLIGHT - FLIGHT GUIDANCE AUTOTHRUST The A/THR being armed, is activated: ‐ When the flight crew sets both thrust levers between the CL and IDLE detents (two engines operative) ‐ When the flight crew sets one thrust lever between MCT and IDLE detents (one engine inoperative). The A/THR being disconnected, is activated when the flight crew pushes the A/THR pb on the FCU while the thrust levers are within the active range, including the IDLE position. Note: When the flight crew sets all thrust levers to the IDLE position, A/THR disconnects. However, if the flight crew pushes the A/THR pb on the FCU, the autothrust will be simultaneously armed and activated. Due to the thrust levers's position, IDLE thrust will be maintained. When ALPHA FLOOR is activated, regardless of the initial A/THR status and position of the thrust levers, the A/THR activates. When A/THR is active: ‐ The FCU’s A/THR pb lights up ‐ The FMA displays A/THR mode in green (in the first column) and "A/THR" in white (in the fifth column). RJA A330/A340 FLEET DSC-22_30-90 P 8/22 FCOM ← D → 03 MAY 11
A330/A340 FLIGHT CREW OPERATING MANUAL Applicable to: MSN 0014-0043 AIRCRAFT SYSTEMS AUTO FLIGHT - FLIGHT GUIDANCE AUTOTHRUST EFFECTS OF THRUST LEVER MOVEMENT DURING A/THR ACTIVATION While A/THR is active: ‐ When all thrust levers are set above the CL detent or at least one above the MCT detent, the A/THR reverts from active to armed. “A/THR” turns to blue on the FMA and the thrust levers control the thrust directly. The FMA displays “MAN THR” white in its first column. The thrust levers provide the flight crew with an immediate increase of thrust when thrust levers are pushed above the CL detent (four engines) or the active thrust levers above the MCT detent (one engine inoperative). ‐ When all thrust levers are set below the CL (four engines) or three thrust levers are set below the MCT (one engine inoperative), a repeating warning (amber caution, single chime, "A/THRLIMITED" ECAM message) is activated every 5 s until the flight crew moves the levers back into the detent. “THR LVR” green is displayed on the FMA. “LVR CLB” (all engines operative) or “LVR MCT” (one engine inoperative) flashes white in the first column of the FMA. This device reminds the flight crew that the normal operating position of the thrust levers, when A/THR is active, is the CL detent (all engines) or the MCT detent (one engine inoperative). ‐ When at least one thrust lever is set out of the CL (or MCT) detent with autothrust active, the “LVR ASYM” amber message comes up until all levers are set in the CL detent. RJA A330/A340 FLEET DSC-22_30-90 P 9/22 FCOM ← D → 03 MAY 11
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