Originally Posted by
propjunkie
If you are a required SIC then you can log all instrument time wether you or the boss is flying. A required SIC is either required by the airplane type, or the company opspecs requires two pilots which is common for new 135 companies which need to wait 6 months to get the "autopilot in lieu of SIC" authorization.
In my experience it has always been "tribal knowledge" that a PNF SIC does not log IMC. Do you have a reference for that?