Small stuff:
Particle smoke from all guns starts out as a blob and gets smaller. It should be the other way around i.e. starts out small and gets bigger. In the case of GVs the smoke should project away from the muzzle, not simply hover around it.
Engine start smoke on single-engined AC should be blown aft by the prop wash more. Currently it swirls right behind the cowl on the F6F, and the Il-2 blows it all paralell to the wings.
GV dust trails should be increased in height. Right now they look like flat, brown trails shot out from behind a jet-ski.
PT boat bow spray should be moved forward somewhat. Since the bow doesn't come up to get the boat on step, the spray is currently too far aft of the water contact point.
Big stuff:
SBD aileron trim indicator is still reversed, and starts out with full right (indicated; actually left) aileron trim.
SBD stars and bars on the left wing shows through fuselage.
Shell casings on GVs are ejected in a vertical orientation. They should be spit out with the casing horizontal. This is a large over-sight. Casing color should be more towards brass instead of OD green.
P-38G salvos rockets exactly like the 38-Lima. The rockets are fired in the same strange salvo pattern (one l/r, then two l, two r, etc...), from the same wing origin point, with the same weight imbalance from two rockets more on one wing.
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Flakbait [Delta6]