NZ could be a connector of China and Latin America, but it's not without its challenges, writes Tim McCready.

Developments in air travel are making longer non-stop flights possible and commercially viable.

Currently, the longest distance flight is Singapore Airline's 15,300km between Newark New Jersey and Singapore — not quite reaching the distance to fly direct to South America from China.

The Herald's aviation editor, Grant Bradley, says new aircraft technology could allow load restricted non-stop flights from Southeast Asia to South America — but those departing from China must still stop along the way.

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