i have that version also and not only is it possible to attack hawaii, but you can do so in overwhelming fashion. heres what i do:
1)load 2 troops from japan into transport. move than and the battleship into the hawaii seazone
2)move the carrier/w 1 fighter and the battleship to the hawaii seazone
3)move sub into hawaii sea zone.
4)take bomber and fighter from japan and head into hawaii seazone
5)take fighter from manchuria and head into hawaii seazone
6)2 troops from transport and 1 fighter from aircraft carrier target hawaii island.
depending on what russia does, i may also move 2 troops from philipines into manchuria
battle 1, sea battle
2 battleships, 2 fighters, 1 sub, and 1 aircraft carrier vs 1 fighter , 1 aircraft carrier, and a sub.
essentially, ill most likely lose 2 units, and i choose the sub and a fighter. at the same time, ill probably destroy him in 1st rnd
battle 2, hawaii island
1 fighter, 2 troopers vs 1 troop.
another battle that should be easily won. if you havent kiled him and he hits you, choose a troop. that way u still have a fighter to maximize your attack. u usualy lose 1 trooper in this battle
1)fly bomber to new guinea, setting it up for 2nd turn invasion
2)fly fighter from philipines to manchuria
3) fly remaining 2 fighters from hawaii battles and land them on aircraft carrier
i now have hawaii island in control with 1 trooper on it and a sea force of 2 battleships, 2 fighters, 1 aircraft carrier, and a transport protecting it.
then i place the transport, fighter, and 1 troop (23 ipc) i bought at beginning of turn on japan and collect 26 ipc (barring any interferance from russia)