BOM Basic Operating Mass. The Euro term for Weight.
LDA Landing Distance Available.
LDR Landing Distance Required
MLM Maximum Landing Mass
Thanks and yes, thats what I meant to say. Plus CG, I started on steam gauges and weights as well... but being in lala-EASAland (Europe) means, reinventing the wheel is just what "we" do. Operating currently on the 4th set of rules til I started flying (started on German Air Law, then transferred to JAA Rules and regs, then EU-OPS and now I have to obey to EASA-OPS regs. I´m glad I remember my own name....