Not much besides tankers interests Ridgebury Tankers chief executive Robert Burke — except maybe a Spac.

Speaking at Seward & Kissel's online 2021 Maritime Symposium on Tuesday, Burke said other sectors such as dry bulk or wind were outside his scope of expertise in response to questions on whether or not Ridgebury could diversify.

But a so-called special purpose acquisition company (Spac) did pique his interest.