User blog comment:Kuras/Fall Event 2016/@comment-29735334-20161126161332/@comment-180.246.248.224-20161127124245

for the E4 TP bar phase i tried using 3 seaplane fighter (two ro44 and one type 2) and 1 zuiun but failed the Los check :/

I guess for route CHKM you need at least two recon or two zuiun,