The Australian carrier Qantas has completed a test of the longest 24-hour passenger flight as part of a study into how travel can affect pilots, crew and passengers.
The Boeing 787-9 with 49 people on board took 19 hours and 16 minutes to fly from New York to Sydney, a journey of 16,200 km (10,066 miles).
Next month, the company plans to test a continuous flight from London to Sydney.
Qantas expects to decide whether to start the routes by the end of 2019.
If it continues, the services will start operating in 2022 or 2023.
- How the UK and Australia travel evolved in one flight
- May Continue – 19009013] There are still no commercial aircraft capable of flying such an ultra-long full-load route for passengers and cargo, Reuters reports.
To give the aircraft sufficient fuel range to avoid refueling, the Qantas flight took off with maximum fuel, limited luggage load, and unloaded d.
Passengers place their watches in Sydney after boarding and stay awake until night falls in Eastern Australia to reduce their etlag.
Six hours later, they were served high carbohydrate foods and the lights were dimmed to encourage them.
On-board tests include pilot brainwave monitoring, melatonin and vigilance levels, and exercise for passengers and analysis of the impact of the passage of so many time zones on people's bodies.
"This is really the first place for aviation. Let's hope this is a visualization of a regular service that will accelerate the way people travel from one side of the globe to the other," said Qantas CEO Alan Joyce Group.
Competition in the ultra-long-haul aviation market has intensified in recent years as various airlines have flown on extended routes.
Singapore Airlines began a nearly 19-hour journey from Singapore to New York last year, which is currently the longest scheduled commercial center in the world al flight.
Also last year, Qantas launched a 17-hour round-the-clock service from Perth to London, while Qatar Airways operated a 17.5-hour service between Auckland and Doha.