Plans for a dairy training farm at Oamaru Airport remain on the back-burner as visa processing delays continue to thwart the National Trade Academy's ability to enrol international students.
Plans to establish the school, next to the academy-affiliated New Zealand Airline Academy, were announced in August last year.
It was due to open this month, but the academy was not able to fill classes.
The issue arose when six overseas visa processing offices were closed by Immigration New Zealand last year.
Typically, about 25 per cent of students at the academy's dairy courses were from overseas, the majority from the Philippines.