Commercial airlines from South Korea, the United States, Hong Kong and Singapore will make test flights through the North's flight information region for five days from March 1, officials of the Transportation Ministry said.
During the five-day test flights, the airlines will fly cargo planes leaving from Anchorage, Alaska, to cross North Korean skies before arriving in Seoul.
They will then launch commercial service on the route in April.
The flight over the North Korean airspace by South Korean planes and those of Western countries will be a first since the end of the Korean War in 1953.
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