I have the same question
I posted this same question on another thread.
Hawker rider posted: "I also think it would be strange if, according to the FAA they can do your 135-PIC check, Instrument Profcheck, and even your ATP exam in a sim and people say you can't put it in your logbook."
After calling a couple FSDO's asking this question they acted like there really isn't any explicit regs stating HOW to log flight time.. In fact one of the guys that called me back stated exactly what you said above, that since you can take your check in a sim (he was talking to me about level D) that it was his opinion it was the same as flying the actual a/c and it could be logged accordingly. The other FSDO guy however disagreed and said yes to multi, yes to turbine, yes to Sim (which you can log as one or the other but not both. i.e. Sim or Total, but not Sim and Total) He sated it was an approved replication turbine, multi of the type of a/c however it was a Sim and not the actual a/c, so it was sim and not total.. So who do you listen to, or neither?
This came up recently at an interview and I was totally upfront with the interviewer about both points of view..
So basically the equation I was told is...
single+multi+helo(if applicable)=sim(not pcatd)+total
pcatd, a totally different subject, can only be used for flight experience toward certain ratings (but not total or sim time)and currency. It should be logged in its own column and use the remarks section to describe its set-up (multi or single) and what you practiced in it.