old airport building is currently used for cargo handling. Piarco International Airport is also the primary hub and operating base of Caribbean Airlines and was also the primary hub and operating base of the now defunct BWIA West Indies Airways and Air Caribbean. Briko Air Services And Aerial World Services operate a flight school at the airport. In 2006 the Airports Authority of Trinidad And Tobago commissioned a study for land use planning and urban development planning. All-Inclusive Project Development Services Limited was commissioned to conduct the study. The study was completed in October 2007 and approved by the Board. In 2011, work on the infrastructure of the North Aviation Business Park began. It is completed in 2013. In December 2019, the European Union awarded the Airports Authority of Trinidad and Tobago a grant of 1.5 million euros to finance the installation of a large-scale solar panel system at the Piarco International Airport, where ground-mounted solar panels will be installed with an annual generation capacity of 1,443,830 kWh and potentially avoid 1,010 metric tons of emissions annually. In 2021, Piarco International Airport was named best airport in the Caribbean and third best in the Caribbean and Latin American Regions. In 2022, the airport was once again named best airport in the Caribbean. Facilities Operational Facilities At Piarco International Airport there are two high-speed taxiways and three connector taxiways (ICAO Code F for new large aircraft). This technologically state of the art airport has 82 ticket counter positions that operate under SITA's fibre-optic C.U.T.E. system which exceeds the recommended standards of ICAO and IATA. It also has a Flight Information Display System, which serves all airport users and a Baggage Information Display System. The terminal is a fully air-conditioned, smoke-free building, equipped to handle peak-hour passenger traffic of 1,500 processing passengers through a fully computerised immigration system. The Customs Hall has four baggage/cargo carousels. An administrative/operations building for the Trinidad and Tobago Air Guard is being constructed at the Piarco Air Base. Also, a military airfield will be constructed near the air base. The control tower at the old terminal building is currently used for air traffic control. The tower at the new terminal building is used for ramp control and runway movement control. A new nine-story control tower was opened in 2011. The new North Terminal consists of of building with 14 second-level aircraft gates for international flights and 2