From Vintage Flying Headgear, Mick Prodger, 1995, Pg 167
the first is an A-1 that has ear flaps that can be stowed inside the cap...and the second is an A-2 "newsboy" style, in what appears to be HBT.
Hope it helps...
It's funny what you run across when looking for something else out there. The Longshoreman 30's white cap.