an Entity references as follows:
Colombo International Airport, Ratmalana (Sinhala: කොළඹ ජාත්යන්තර ගුවන්තොටුපළ, රත්මලාන, romanized: Koḷam̆ba Jātyantara Guvantoṭupaḷa, Ratmalāna; Tamil: கொழும்பு சர்வதேச விமான நிலையம், இரத்மலானை, romanized: Koḻumpu Sarvadesa Vimāṉa Nilaiyam, Iratmalāṉai) (commonly known as Ratmalana International Airport, Colombo–Ratmalana and locally as Ratmalana Airport) (IATA: RML, ICAO: VCCC), is the secondary international airport serving the city of Colombo, the capital of Sri Lanka. It was the country's first international airport and was the only international airport in Sri Lanka until the inauguration of Bandaranaike International Airport, Katunayake in 1967. The airport currently serves several domestic services and is home to several aviation training organisations. A relaxation of rules has re