Let's use round numbers and see if it would be double or triple-dipping. I don't think it would be, but let's see. Say your AF records show that you had 2000 hrs total time, 500 hrs other time, 500 hrs IP time, 500 hrs MP time, 500 hrs MC time, 150 total sorties, 50 IP sorties, 50 MP sorties, and 50 MC sorties.
For your total time, you would take 1500 hrs (removing your Other time) and add .3 x 150 total sorties. This would give you 1545 total hrs to use for SWA.
For your PIC time, you might use 100% of your IP time and 80% of your MP time as a fair representation of what proportion of the time you actually had the A code. Thus, you would go:
500 IP hrs + (.3 x 50 IP sorties)= 515 IP hrs which count
toward PIC
.8 x 500 MP hrs = 400 hrs for PIC
.8 x 50 MP sorties = 40 sorties for PIC
40 PIC sorties x .3 = 12 hrs
400 hrs + 12 hrs = 412 MP hrs which count toward PIC
515 hrs + 412 hrs = 927 PIC hrs
For SIC time, you would use 20% of your MP time and all of your MC time:
500 MC hrs + (.3 x 50 MC sorties) = 515 hrs which count toward
SIC
.2 x 500 MP hrs = 100 MP hrs for SIC
.2 x 50 MP sorties = 10 MP sorties for SIC
10 SIC sorties x .3 = 3 hrs
100 hrs + 3 hrs = 103 MP hrs which count toward SIC
515 hrs + 103 hrs = 618 SIC hrs
To backtest the idea that we might be double or triple-dipping on the hours, we can add the SWA adjusted SIC and PIC figures together to see if they add up to more than our SWA adjusted total time: 618 SIC hrs + 927 PIC hrs = 1545 total hrs. That is the same figure we came up initially for total time. If you were skewing the numbers, it seems like they'd definitely add up to more than your original total. I'm not a math genius or anything but it seems to me like you're not double or triple dipping by applying the .3 per sortie adjustment to each category. Somebody please tell me if I'm wrong about this!!