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Old 23rd Jul 2010, 11:49
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NotaLOT
 
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Reducing ASDA - effect on operations

Dear All,

I am trying to get my head around the concepts of TORA and ASDA and in particular this one question... (by the way I am not a pilot)

I have a runway where the ASDA is currently greater than TORA/TODA. Now due to some runway works, the ASDA length may be reduced (although it will still be greater than the TORA/TODA by about 10%). TORA/TODA will remain the same as currently.

Does a reduction in ASDA imply that there will be limitations in operations (as in the maximum weight with which one can take off), or is TORA/TODA the main criterion for calculations of weight? In other words, since the TORA/TODA remain the same, there will be no operational limitations even though the ASDA is reduced?

I will be most grateful for your help on this!
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