According to Mark Hoey, Cathay Pacific's general manager of operations, the message from the passenger plane crew to the staff on ground after the November test was: "Be advised, we witnessed the DPRK missile blow up and fall apart near our current location", the South China Morning Post reported.
Cathay Pacific said its plane was "far from the event location" on Wednesday, but it did not say how far.
The Cathay Pacific flight took off from San Francisco and was bound for Hong Kong.
According to Channel NewsAsia, the move has come after the July 27 missile launch by North Korea into the Sea of Japan, Singapore Airlines said on Tuesday.
The Japanese Parliament declared on Monday that North Korean missile tests are an "unprecedented, significant, and imminent threat" and adopted a resolution condemning last week's launch. The North Korean ICBM launched Wednesday was shot at an extremely steep arc, nearly straight up and then straight down. Numerous airline's worldwide flights have cameras mounted beneath the fuselage the footage of which can be viewed by passengers live from their seats. But he said that while such missiles posed a danger to commercial flights, the risk was "low in terms of probability".
Korean Air also said no route adjustments are being made.
"We have been in contact with relevant authorities and industry bodies as well as with other carriers". "At the moment, no one is changing any routes or operating parameters". "Even with the amount of air traffic you get these days, in the airspace there's a fair amount of room".
Defense Secretary Jim Mattis (L) and Gen. Joseph Dunford, chairman of the Joint Chiefs of Staff speak to the press about the situation in North Korea at the White House in Washington, D.C. on September 3, 2017.
North Korea has access to global civil aviation data, but how or if it factors into its missile tests is unknown.
Earlier this year, Air France imposed a no-fly zone over North Korea after one of its flights flew past the site of Pyongyang's July 28 missile test over Japan.
"Singapore Airlines is aware of the reports on the sighting of the North Korean missiles and is closely monitoring the situation", a spokesperson said. At the time of the splashdown, the flight was about 60 to 70 miles (95 to 112 kilometers) north of where the missile landed, according to a review of the data.
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