![Luis Munoz Marin International Airport <br/> San Juan ...](/e69yszg/360.jpg)
Luis Munoz Marin International Airport
San Juan ...
This all cargo airlines were based in Puerto Rico and used three allcargo DC3s during the 1980s base at San Juan. PRINAIR. Once the biggest regional airline in the US with over a million passengers a year, it became a wellknown company throughout the Caribbean. At its height it operated 25 lycomingpowered Herons from its base at San Juan.