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Forum: Accidents and Close Calls

25th Sep 2022, 12:28

Replies: 188

AA A321 takes off after smashing ground sign

Views: 251,437

Posted By fdr

Kind of. The PCU may lag the rudder pedal...

Kind of.
The PCU may lag the rudder pedal slightly, however what it won't do is lead it. That is the "funny" in the data. The data rates are fast enough that it is not likely but not impossible...

Forum: Accidents and Close Calls

30th Jul 2022, 11:55

Replies: 188

AA A321 takes off after smashing ground sign

Views: 251,437

Posted By fdr

On hydraulics, the sizing of hydraulic supply has...

On hydraulics, the sizing of hydraulic supply has considerable reserves of volume for operations, [§25.1435(c)], separately, Subpart C covers loads but not rates.

Back a ways the AS350 had a nasty...

Forum: Accidents and Close Calls

30th Jul 2022, 04:49

Replies: 188

AA A321 takes off after smashing ground sign

Views: 251,437

Posted By fdr

I would absolutely agree with you, however, there...

I would absolutely agree with you, however, there are pesky data points that are out of order and that may be an artifact, but do not appear to be so, and if they are not an artifact, then there was...

Forum: Accidents and Close Calls

28th Jul 2022, 02:53

Replies: 188

AA A321 takes off after smashing ground sign

Views: 251,437

Posted By fdr

Would love to say that there was a technical...

Would love to say that there was a technical issue with this aircraft, can't find any justification for that however. The aircraft at all times responded correctly and promptly to the flight crew...

Forum: Accidents and Close Calls

12th Apr 2019, 14:10

Replies: 188

AA A321 takes off after smashing ground sign

Views: 251,437

Posted By fdr

yikes. the damage is the outcome of a...

yikes.

the damage is the outcome of a weirdness not the cause. QAR/DFDR/CVR will be interesting.

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