Some more airport data research:
Belize: Fixed runway length at Belize City Municipal, Caye Caulker, Dangriga, Placencia and San Pedro; fixed position for Caye Caulker, Dangriga; updated passenger number for Belize City Goldson Intl. (also cargo number) and Cayer Caulker
Costa Rica: Barra del Colorado (runway length fixed); Liberia (slots, airport size increased; jetways added; passenger/cargo upgraded); Nosara Beach and Palmar (passenger number updated); Quepos (runway length fixed); San Jose (SJO) (passenger and cargo number updated); Tortuquero (runway length and location fixed)
Great-Britain (Central America): ICAO Code added where missing; passenger number fixed; Middle Caicos (runway length fixed); Salt Cay (location fixed); Providencials and Grand Cayman (Slots reduced to real conditions)
Honduras: Cauquira (runway length fixed); Guanaja (runway length fixed); La Ceiba (slots fixed); San Pedro Sula (jetways added, passenger number updated); Tegucigalpa (runway length fixed, slots fixed, jetways added)
Jamaica: Jetways added in Kingston (KIN) and Montego Bay; Ochos Rios (Runway length fixed); Negril (Runway length, location and passenger/cargo numbers fixed)
Netherlands Antilles/Aruba: Jetways added in Aruba, Curacao and St. Marten; Bonaire (Runway length fixed)
Airports added:
Belize: Belmopan and Sarteneja
Costa Rica: Limon, San Jose Bolanos Intl. , Carillo, Drake Bay, Guapiles and Punta Islita
Great Britain: Anegada (British Virgin Islands)
Honduras: Trujillo