3 Wizz Air A321's airspeed indicators fail on Monday and a Qantas B738 had the same problem on Tuesday

Aviation Notable Activity
1

What are the chances this would happen?

Here’s the first one: Wizz A321 at Sofia on Feb 26th 2018, unreliable airspeed indications - AeroInside

The second one: Wizz A321 at Sofia on Feb 26th 2018, unreliable airspeed - AeroInside

And the third one: Wizz A321 at Sofia on Feb 26th 2018, rejected takeoff due to unreliable airspeed - AeroInside

Anyone have any ideas on how this could happen?

2

In all the METARs attached to the postings the temperature and dewpoint were very close, indicating high humidity and potential icing issues.

3

They don’t call ‘em the Scarebus for nuttin’.

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4

Now just in, on Tuesday a Qantas B738 had the same problem.

5

But probably not for the same reasons, no chance of icing at that height in Perth this time of year.