Mercedita Airport (IATA: PSE, ICAO: TJPS, FAA LID: PSE) is a public use airport located three nautical miles (6 km) east of the central business district of Ponce, Puerto Rico. The airport covers 270 cuerdas (approx. 262.2 acres) of land and has one runway. It was inaugurated as an international airport on November 1, 1990. Mercedita is Puerto Rico's largest airport in terms of military personnel volume and the second largest in terms of military freight. The airport is certified under part 139 of the Federal Aviation Regulations, (3) § 121.555(b) (14 C.F.R.