Talk:Aircraft Proficiency/@comment-84.90.161.45-20151031113411

Confirmed: Type 0 Fighter Model 21 takes 15 battles to rank up one level. Reppuu gains ranks at about twice the rate.

Tested with Ryuuhou Kai on 1-1-A grinding. Reppuu achieved rank 7 when T0 M21 was about rank 4.

Over 100 Abyssal DDs were sacrificed during this grind session. No regrets.