Originally Posted by
Icaruss
For 145 NHs, do you have to learn both 145 and 140 numbers?
You don't have to 'know' what's on the green reference card, just have it in your hand when you need it and look. Weights are on the green reference card for both airplanes. Beyond that, the few differences are pretty easy to remember, though I doubt you'll be asked anything on the 140.