out of those i think (based on armament and speed) the only viable ones to be tech tree are
-SC-1 (although i much rather have the SC-2)
-KOR-1
-Walrus Mk.i
-Osprey Mk IV
-Aichi E13A1
-E8N2
-Ro.43
-Loire 130C
everyone is sleeping on the F1M2
BV 238 being P2W for this event is hilarious lol
Slightly maneuvering and taking headons = free kills