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Is there any description for configuration warning for A320？
There are some T.O warning from Fcom:
CONFIG RUD TRIM NOT IN TO RANGE CONFIG PITCH TRIM NOT IN TO RANGE F/CTL PITCH TRIM/MCDU/CG DISAGREE T.O SPEEDS TOO LOW Is there any chance to get the parameters for details? eg. How much degrees can be triggered for the RUD TRIM warning？ |
Private pilot here, so no experience of the A320.
However, I can read in the A320 FCOM (version from 17-OCT-2017): AIRCRAFT TRIMMING Ident.: DSC-27-20-10-70-00002179.0001001 / 09 DEC 09 Applicable to: ALL When the aircraft is : ‐ In normal cruise range (around M .77), ‐ In straight flight, ‐ With the autopilot engaged, ‐ With symmetrical engine thrust, and ‐ With fuel in the wing tanks distributed symmetrically, the rudder trim should stay between 1 ° right and 2.3 ° left. Note: This indication corresponds to a true rudder deflection within ± 1.5 °, taking into account the permanent offset of rudder trim indication, when the aircraft is in cruise conditions. (average 0.5 ° right, 0.8 ° left). An indicated, rudder trim above 1 ° right or 2.3 ° left is acceptable, if maintenance personnel establishes that the corresponding real rudder position is within 1.5 ° left, and 1.5 ° right. |
Thank you for replying！
I can get those info on the FCOM. But I guess this is in the phase of cruise and have nothing to do with the conf warning……maybe. |
I don't find any document where the numeric values for "CONFIG PITCH TRIM NOT IN T.O. RANGE" and "CONFIG RUD TRIM NOT IN T.O. RANGE" are quoted.
But since they are "no dispatch" items in the MEL, I expect that these values could be found in the maintenance manuals. |
Pitch trim: out of green band (A320 variant specific)
rudder trim: more than 3.6 units L/R |
Thx！Is there any document I can refer to？
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