All applicants must provide official records of their Criminal and Transport Offence History from all countries, including New Zealand, which they have resided in for more than 6 consecutive months within the past 5 years.

A report of your criminal record history, including transport offence history from all countries outside NZ in which you have resided in for more than 6 consecutive months within the last 5 years (this may require separate criminal history and transport history reports, depending on the country) is required to apply for a Student Visa to New Zealand and to apply for a Pilot Licence when you complete your course.

This link from Immigration New Zealand provides a tool to find out how to obtain a police certificate from a specific country