Few other things about aircraft and SH3, maybe CCOM does better in these regards. Fifi would know.
Even during later in the war, the aircraft are very weak in terms of actual danger.
They tend to drop their ordinance well off the mark and the radar warning receivers tend to have their ranges set too long. Maybe they have the receivers historical (lab ?) operating ranges, but in the game they make aircraft a non-issue anyway. I usually halve their ranges myself.
But I only use Type VIIs. Type IXs being the clumsy barges they are can be another story with aircraft I'm told.