High Quality Content by WIKIPEDIA articles! Trivandrum International Airport (IATA: TRV, ICAO: VOTV) is located in Thiruvananthapuram and is the first airport in the state of Kerala, India. It is the first international airport in a non-metro city in India. TIA is considered as an "all weather" airport in the country and is ISO 9001-2000 certified.Owing to this many flights from Cochin and Calicut are diverted here when ever weather hinders visibility in the respective airports. It is the 8th busiest airport in the country in terms of international passenger traffic and 10th busiest in terms of overall passenger traffic.