A330 automatic flight system - flight management
Vertical profile
• Take-off SRS control law maintains V2 + 10 up to thrust reduction altitude where max climb thrust is applied. V2 + 10 is held up to acceleration altitude (ACC ALT). • Climb Energy sharing is applied for acceleration (70% thrust) and for altitude (30% thrust) from ACC ALT up to first climb speed. Max climb thrust is kept - altitude and speed constraints are taken into account. • CRZ Steps may exist and/or may be inserted. • Descent Top of Descent (T/D) is provided on ND. From T/D down to the highest altitude constraint, ECON descent speed is held by the elevator and IDLE thrust by the A/THR. If this status can no longer be held or maintained, geometric segments will be followed between the constraints. • Approach From DECEL point, a deceleration allows configuration changes in level flight. Approach phase is planned to reach approach speed at 1000 ft above ground level.
Flight plan - vertical definition
STEP CLIMB T/D SPD/MACH ALT.TRANSITION T/C SPD/MACH ALT.TRANSITION MULTIPLE FL CRUISE SPD LIM ALT SPD CONSTRAINTS ALT SPD CONSTRAINTS ACCEL SPD LIM
DECELERATE ACCEL FINAL THR RED THR RED ORIGIN
TAKE OFF
CLIMB
CRUISE
DESCENT
APPROACH
GO AROUND
STL 472.755/92 Issue 4
10.31
飞行翻译公司 www.aviation.cn 本文链接地址：A330 驾驶舱和系统讲解 部分6.pdf
Vertical profile
• Take-off SRS control law maintains V2 + 10 up to thrust reduction altitude where max climb thrust is applied. V2 + 10 is held up to acceleration altitude (ACC ALT). • Climb Energy sharing is applied for acceleration (70% thrust) and for altitude (30% thrust) from ACC ALT up to first climb speed. Max climb thrust is kept - altitude and speed constraints are taken into account. • CRZ Steps may exist and/or may be inserted. • Descent Top of Descent (T/D) is provided on ND. From T/D down to the highest altitude constraint, ECON descent speed is held by the elevator and IDLE thrust by the A/THR. If this status can no longer be held or maintained, geometric segments will be followed between the constraints. • Approach From DECEL point, a deceleration allows configuration changes in level flight. Approach phase is planned to reach approach speed at 1000 ft above ground level.
Flight plan - vertical definition
STEP CLIMB T/D SPD/MACH ALT.TRANSITION T/C SPD/MACH ALT.TRANSITION MULTIPLE FL CRUISE SPD LIM ALT SPD CONSTRAINTS ALT SPD CONSTRAINTS ACCEL SPD LIM
DECELERATE ACCEL FINAL THR RED THR RED ORIGIN
TAKE OFF
CLIMB
CRUISE
DESCENT
APPROACH
GO AROUND
STL 472.755/92 Issue 4
10.31
飞行翻译公司 www.aviation.cn 本文链接地址：A330 驾驶舱和系统讲解 部分6.pdf
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