West Auckland Airport Parakai (ICAO: NZPI) West Auckland Airport is a general aviation (GA) airport on the North Western edge of Auckland, New Zealand. It is close to the town of Parakai and 2 nautical miles (3.8 km) northwest of Helensville at the southern end of the Kaipara Harbour. The Airport is operated by West Auckland Airport Company Ltd, under 'Airport Authority' status.