Thread:Koveras Alvane/@comment-4766890-20120305014018/@comment-4503347-20120305064618

I looked up in a Japanese online strategy wiki. Apparently you need to disable the SAMs and AA guns of 2 ships in the westmost of the fleet (not destroying the ships themselves), then Weihe should appear afterwards. Haven't tried it yet but hope it will help.

Source: http://www.be8.net/static/aczero/AssaultRecords.html#toc9