An easy-to-surf guide to 31 CFR 515, the federal code governing licensing for travel to Cuba. Note, especially, the “definitions” section. (http://www.law.justia.com/cfr/title31/31-3.1.1.1.4.html) worldtravelguide.net/cuba/ passport-visa (Good review of Cuban visa requirements.)

Canadian Chris McCabe, chief pilot for Toronto-based Chartright Air Group, has had extensive experience flying chartered business jets into several locations within the Republic of Cuba. As the country adheres to ICAO procedures and altimetry, McCabe offered to provide a PANS OPS review for domestic operators who might eventually be Cuba-bound (or flying anywhere else that uses ICAO procedures):

The Caribbean region is a popular recreation and business destination for North Americans, Europeans and Middle Eastern residents. Universal Weather & Aviation's Dwayne Janczak, who is assigned to the Flexjet fractional ownership headquarters in Dallas, provided a review for operating in the area.