A-20   wings: 4-500lbs or 4-250 lbs; fuselage: 4-500 lbs, 2-500 lbs, 4-250 lbs
Boston   4-500 lbs, 2-500 lbs, 4-250 lbs
JU-88  wings: 4-500 kg, 4-250 kg, 2-250 kg & 2-500 kg, 2-500 kg, 2-250 kg
internal: 10-50 kg, 20-50 kg
Bf 110G-2   wings: 4-50 kg; internal: 2-500 kg, 2-250 kg
I checked the hangar & these are the loadout options.    
