Without the N-Registry number that picture is worthless.
It is N6287CT and it is registered to Gopher Air LLC out of New Richmond, WI and cannot be tracked on flightaware because the company has requested that it not be available.
It dropped off Brewster in the middle of nowhere.
"MES" means it's a Mesabi Air owned plane. They probably have a Gopher logo on it as a PR move. May, in fact have it on several planes.