Is this the plane that will be flying the rumored Maya Island Air Belize City - Cancun route? Don't know for sure, but I do know that this photo was taken June 2nd, 2009 at an unknown location. The ATR 72 is a twin-turboprop short-haul regional airliner built by the French-Italian aircraft manufacturer ATR. It seats up to 74 passengers in a single-class configuration and is operated by a two-pilot crew. See Wikipedia for more detailed information.
For those of us in the tourism industry, the prospect of travelers getting to Belize via Cancun is an exciting development... opening up the possibility of significantly better connections and fares for both North American and European passengers.