I recently watched a YouTube video titled "Dangerous Crosswind Landings during a Storm at Düsseldorftitled" and witnessed at the 2:06 mark, a twin engine commercial jet aircraft landing and noticed only one thrust reverser was deployed.

I am looking for a knowledgeable answer, asking if this was a malfunction.


1 Answer 1


It is impossible to tell from the video what the reason or cause was, this is all speculation.

Most likely it was a malfunction of the thrust reverser. There is a good change that the crew was aware of the problem before take-off; the Airbus A330 may be dispatched with one or even both thrust reversers unserviceable according to the minimum equipment list (MEL)

Another possibility is that the crew accidentally only activated one thrust reverser. Given the firm landing (as it should be given the strong crosswind) they might have erred in the heat of the moment.

It is unlikely that the decision to use only one reverser was on purpose if two reverser were serviceable. On the ground the aircraft has a tendency to weathercock into the wind because of the vertical tail. Selecting only the windward thrust reverser aggravates that tendency.

  • $\begingroup$ What about selecting only the leeward thrust reverser? $\endgroup$ Jun 28, 2015 at 19:52
  • $\begingroup$ Selecting only the leeward TR would tend to counteract the weathervaning force of the crosswind, but not in a manner that the pilot could precisely control. If you did that, then you'd be using the rudder to maintain directional control with two asymetrical, and variable, forces also at work. Standard procedure is to use all available TR's, with the caveat that if they (or, "it") interfere with directional control, reduce the reverse thrust as needed. Since the response time of reverse thrust isn't immediate, modulating it to counter effects of a crosswind isn't generally recommended. $\endgroup$
    – Ralph J
    Jun 29, 2015 at 0:46

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