Originally Posted by
KSCessnaDriver
If he's logging PIC on sole manipulator, he wouldn't need the endorsements, as you only have to be rated in class/category to log PIC in this manner.
Whether the OP is talking about a BE-300 or an actual King Air 300, but either requires either a SIC qual (which this will be single pilot P91) or, if flying as PIC, would require the type rating wouldn't it?