Leveling

[Victoria Whincaster]

How do you see what achievements you need to level?

[naufrago]

Progress > Logs
(Press the Progress button at the top of the screen. "Logs" will be a tab on the left side of the screen, 3rd from the top)

You can cycle through each class's achievements by hitting the arrows next to "Pilot's Log" or whatever it says up in the top center.

[Pickle]

In each Log (Pilot, Gunner, Engineer) there are nine or twelve(? - I can't remember without looking) subcategories, only one achievement in each subcategory is active.  You're working towards all active achievements at the same time, but you can't work at locked achievements until you unlock them - by completing the previous achievement in that subcategory.

[HaZmY]

You can also Press Q ( default key ) to see the achievements progress in-game!

[ItzSlugo]

Also if you go to the progress tab and check under the class you are leveling it should tell you how many more achievements you need to level up.