AIRCRAFT SYSTEMS - e-Crew

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A330/A340 FLIGHT CREW OPERATING MANUAL AIRCRAFT SYSTEMS AUTO FLIGHT - FLIGHT GUIDANCE GENERAL MODE TYPE GUIDANCE Continued from the previous page REMARK OP CLB SELECTED Mode used to climb/descend directly to The speed target may either be selected OP DES the FCU selected altitude. These modes disregard all ALT CSTR. The A/THR is or managed. ALT mode is systematically armed and blue. Altitude target is blue in THRUST mode (CLB/IDLE) on the PFD. ALT CST* MANAGED Mode automatically engaged when CLB/DES mode are systematically ALT CST reaching an ALT CSTR before the FCU selected altitude. armed (blue). ALT* SELECTED Mode used to maintain a level flight at A/THR SOFT mode engages when FCU ALT ALT CRZ* ALT CRZ the FCU selected altitude. selected altitude = CRZ FL. A/THR SOFT mode is part of the managed guidance. V/S-FPA SELECTED Mode used to guide the aircraft along a Altitude target is blue on PFD. V/S-FPA vertical speed, or a selected flight path is a basic mode. angle. (Refer to DSC-22_30-10 Lateral Modes). G/S* MANAGED Mode used to guide the aircraft along Selected by pressing the FCU's APPR G/S FINAL the final approach path (G/S or non ILS) pb. The mode engaged depends upon the selected approach in the F-PLN. Linked to APPR common mode (APPR pb). FLARE MANAGED Common mode which provides Engages below 50 ft RA, based on the alignment to the runway centerline on the yaw axis, and flare on the pitch axis. current vertical speed. Applicable to: ALL INTERACTION BETWEEN AP/FD AND A/THR MODES The AP and FD pitch modes can control a target SPD/MACH or a vertical trajectory, and the A/THR mode can control a fixed thrust or a target SPD/MACH. However, the AP/FD and the A/THR cannot both control a target SPD/MACH simultaneously. Therefore, the AP/FD pitch modes and A/THR mode are coordinated as follows: ‐ If an AP/FD pitch mode controls a vertical trajectory, the A/THR mode controls the target SPD/MACH. ‐ If an AP/FD pitch mode controls a target SPD or MACH, the A/THR mode controls the thrust. ‐ If no AP/FD pitch mode is engaged, the A/THR mode reverts to controlling the SPD/MACH mode. In other words, the selection of an AP/FD pitch mode determines the associated A/THR mode. RJA A330/A340 FLEET DSC-22_30-10 P 4/6 FCOM ← E to F → 07 APR 11
A330/A340 FLIGHT CREW OPERATING MANUAL AIRCRAFT SYSTEMS AUTO FLIGHT - FLIGHT GUIDANCE GENERAL AP/FD pitch modes A/THR modes V/S - FPA DES (geometric path) ALT*, ALT, ALT CST*, ALT CST SPD/MACH MODE G/S*, G/S FINAL AP/FD OFF OP CLB/OP DES CLB/DES (idle path) THR (CLB, IDLE) MODE SRS FLARE RETARD (IDLE) RJA A330/A340 FLEET DSC-22_30-10 P 5/6 FCOM ← F 07 APR 11
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