(CNN)On the fifth anniversary of the disappearance of Malaysia Airlines Flight 370, the aviation industry is on the verge of implementing technology that would make a similar tragedy impossible.
The idea that an airliner carrying 239 passengers and crew members could simply disappear was unthinkable — even for veteran aviation industry authorities like Miguel Marin, the chief of operational safety at the Air Navigation Bureau, which is part of the International Civil Aviation Organization. (The ICAO, a United Nations agency, sets worldwide aviation standards.)
“It was inconceivable that in this day and age we would lose an airplane that big without a trace,” Marin told CNN on the phone from ICAO’s Montreal headquarters. The tragedy shocked the ICAO enough that it quickly got to work.
The result is a long-term plan called the Global Aeronautical Distress and Safety System (GADSS), which uses innovations in technology and communications to better watch the planes we fly on. One part of the plan requires that all large aircraft now automatically track their flight positions every 15 minutes, while another new rule focuses on what happens when a commercial flight is in distress.
You may remember that the reason the world lost track of MH370 was because its transponders mysteriously stopped transmitting the airliner’s location about three minutes after the jet’s final radio call. Now the ICAO is mandating that the world’s airlines provide aso-called “distress tracking system” on their planes by 2021.
The system would autonomously transmit an aircraft’s position at one-minute intervals whenever the plane is in “a position that — if it is left unattended — will result in an accident,” according to Marin. This system can work “irrespective of any pilot action,” Marin added; transponders could transmit a distressed plane’s position and unique aircraft ID to authorities, who could launch a rescue.
While some pilots have opposed the idea as a safety issue, saying they want to be able to turn off any electrical system on board in case of a fire or other in-flight emergency, a company called Aireon says customers — including Malaysia Airlines — are already signing up for its system, which it plans to have on line by next month.
The company uses a constellation of 66interconnectedsatellites that will make it possible to monitor all air traffic in real time — even over vast stretches of ocean where ground-based radar coverage is impossible.
Space-based global tracking
Here’s how it works: Planes are outfitted with devices called transponders, which send signals that are picked up by ground stations and theorbiting satellites. Those signals are then transmitted to airlines and air traffic controllers.
But two searches of the Indian Ocean continued until 2018, costing tens of millions of dollars. In 2015 and 2016 debris that was confirmed to be from MH370 — including a wing fragment and part of the jet’s flaperon — washed ashore in eastern Africa and nearby islands, thousands of miles from the region where the plane vanished.
Officials with the Australian Transport Safety Bureau told an Australian parliamentary hearing last year that the plane had likely crashed into the Indian Ocean after running out of fuel.
Marin, who agrees MH370 likely crashed, believes that if it had been equipped with a distress tracking system it would have automatically alerted authorities and pinpointed the location of the plane’s wreckage — solving one of the biggest lingering questions in this historic mystery.
The biggest challenge now is creating a “one-stop” data repository where air traffic controllers, search and rescue coordinating centers and aviation regulators such as the FAA can all get access.
Marin said he’s confident the ICAO will have a prototype distress tracking system repository that will be operational and ready for testing in a year’s time, with the goal of having it in place and fully operational worldwide by January 2021, Marin said.
Space-based tracking also saves time, money and cuts pollution
“The whole reason Aireon was put together was certainly to help improve safety, but it also provides a significant benefit to the airlines,” Thoma said. “The fact that you know what’s happening — where the aircraft are — allows airlines that fly over oceans to operate more efficiently.”
More than 1,500 daily flights connect the United States and Europe. With real-time surveillance, pilots and air traffic controllers will have much more flexibility to optimize flight paths, cut flying time, burn less fuel, and emit less greenhouse gas — “all very important things to the aviation industry and to passengers,” Thoma said.
Aireon, along with Canadian and UK aviation authorities, plan to start live tests in parts of Canada and across the North Atlantic in April.
The US Federal Aviation Administration has also been involved in the design, testing and development of Aireon’s tracking system, Thoma said, and the organization plans to start testing it at the end of next year. “We’re hoping at that point they’ll expand it to the full oceanic use.”
We may never know all the answers to what happened to MH370, but if space-based tracking and ICAO’s plan prove successful, it’s unlikely we’ll ever see another tragedy quite like it again.
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