Enua Airport is an airport in Atiu in the Cook Islands (IATA: AIU, ICAO: NCAT). Atiu, also known as Enuamanu (meaning land of the birds) is an island lying at 187 km to the northeast of Rarotonga, in the Southern Islands group of the The Cook Islands ( Cook Islands Māori: Kūki 'Āirani) are a self-governing parliamentary democracy in free association with New Zealand. An IATA airport code, also known an IATA location identifier, IATA station code or simply a location identifier, is a three-letter code designating many The ICAO (ˌaɪˌkeɪˈoʊ Airport code or location indicator is a four-letter Alphanumeric Code designating each airport around It is the second airport built on the island, and was constructed in 1978.