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Old 18th Aug 2011, 15:38
  #3047 (permalink)  
A33Zab
 
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Nz Law (active in NORMAL & ALTERNATE)

CHARACTERISTICS IN PITCH

IN FLIGHT

When the PF performs sidestick inputs, a constant G-load maneuver is ordered,
and the aircraft responds with a G-Load/Pitch rate.
Therefore, the PF’s order is consistent with the response that is "naturally"
expected from the aircraft:
Pitch rate at low speed; Flight Path Rate or G, at high speed.


• The aircraft maintains the flight path, even in case of speed changes
• In case of configuration changes or thrust variations, the aircraft
compensates for the pitching moment effects.
• In turbulence, small deviations occur on the flight path.
However, the aircraft tends to regain a steady condition.


AIRBUS PITCH CHARACTERISTIC
Operational Recommendation:

Since the aircraft is stable and auto-trimmed, the PF needs to perform
minor corrections on the sidestick,
if the aircraft deviates from its intended flight path.
The PF should not fight the sidestick, or overcontrol it.
If the PF senses an overcontrol, the sidestick should be released.
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