I THINK he is talking about Legacy Busness jets, and "Without Type" refers to not having a type rating.
I fly with Americans, and have picked up a smattering of their langage but, as a level 6 English speaker, it makes me about a level 3 Americanish speaker.
pdub- First thing to learn if you want to move OS:- Things (including professtional slang) are DIFFERENT from the US.