FAC weights and Vls

[EGPFlyer]

Originally Posted by halfofrho

Have to regularly adjust Vapp on the 319's but for whatever reason the 320's are always fine. No idea why there is a difference between the two bar different software.

The A320 display the speeds derived from the FMGC weights (as opposed to aerodynamic data) so you’ll always get a 5kt split but it doesn’t necessarily mean it’s more accurate.