PPRuNe Forums - View Single Post - Airbus Within 6ft of the Ground nearly 1 mile Short of Runway
Old 14th Jul 2022, 08:04
  #103 (permalink)  
DaveReidUK
 
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Originally Posted by Clop_Clop
Quite common for QNH to change by one, so chances are the alerting will go off a lot when it's not needed and the alerting system could be seen as a nuisance 99% of the time when it's not needed.
The OP said that a difference of ±1 hPa would not trigger an alert, so why would you expect large numbers of false alarms ?
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