Landing above Vref
Hi All,
Is anyone familiar with a rule of thumb for calculating landing distance when landing above Vref. We use Vref+5 as a company SOP and as most can use up to Vref+10 in gusty conditions. We can also use Vref+20 if landing with an anti-icing failure (althought the manufacturer provides guidance for this to add 50% to the LDR).
How would this vary for a dry and wet runway?
What about aircraft size?
If I wanted to calculate the actual LDR for a higher Vref rather than just using a rule of thumb, is there a technique for this?
Thanks in advance.
NF