Qantas Airways tests the "last frontier of aviation"

One of the longest flights in the world is preparing for takeoff in October.

Qantas Airways announced Thursday that it would perform three very long non-stop test flights linking Sydney to New York and London, to better understand the detrimental effects they have on the human body. Each flight will take about 19 hours.

"Going non-stop from the east coast of Australia to London and New York is truly the last frontier of aviation, so we are determined to do all the hard work to get there," he said. Qantas general manager Alan Joyce in a press release.

The "Project Sunrise" search flights, which will take place in October, November and December, will use new Boeing 787-9 aircraft and will carry a maximum of 40 passengers, mainly Qantas employees.

Passengers will be equipped with wearable technology to track their welfare, and the data will be analyzed by scientists and medical experts.

In March 2018, Qantas launched a flight between Perth (Australia) and London. This flight takes about 17 hours. A month later, Singapore Airlines announced a 19-hour flight between Singapore and New York.

But it will be the first time that a commercial flight is flown from Sydney to New York, and only the second time from Sydney to London, Qantas said.

Although Qantas test flights are exciting, they may not be here to stay.

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"Sunrise on a lot of enthusiasm, but it's not won in advance," Joyce said. "It's ultimately a business decision and the economic data has to be aggregated."