Originally Posted by
Uplinker
It's not perfect English, but I think its meaning is very clear?. "Select gear down and wait to ensure it is down and locked before selecting any further config, e.g Conf 3 or Full, i.e. final landing configuration.
In the English I know, "final landing configuration" means the configuration in which you can land the airplane. (And just in case there's some uncertainty over potential multiple stages along the process of landing configuration, the phrase clarifies which stage, namely the "final" one.)