Foreign Minister Murray McCully says an air force inquiry is expected after a flight to Antarctica carrying 117 passengers was forced to land in a whiteout after being cleared for a safe landing.
The RNZAF Boeing 757 had to circle the Pegasus airstrip near Scott Base for 2 hours on Monday and made two aborted approaches before making an emergency landing in reduced visibility and freezing fog.
Mr McCully, who was on the flight, said: "We clearly knew that there was a capacity for this to have an untidy end, and we were enormously relieved that it didn't."
The air force reviewed the weather at the "point of safe return" or PSR - when there was still enough fuel to get back to Christchurch.