US says 'no basis' to ground Boeing 737 MAX jets after crash

Governments around the world are grounding Boeing 737 Max aircraft or barring them from their airspace
Governments around the world are grounding Boeing 737 Max aircraft or barring them from their airspace

The United States has said there is "no basis" to ground Boeing 737 MAX airliners, after a second deadly crash involving the model in less than five months prompted governments worldwide to ban the plane.

Despite the aviation giant's assurances that the plane is safe and reliable, the European Union, Britain and India joined China and other countries grounding the plane or banning it from their airspace as they await the results of the investigation into the crash.

But the US has so far refused to take similar action against the American aerospace giant's best-selling workhorse aircraft.

"Thus far, our review shows no systemic performance issues and provides no basis to order grounding the aircraft," Federal Aviation Administration (FAA) chief Daniel Elwell said in a statement on Tuesday.

A new Ethiopian Airlines 737 MAX 8 went down minutes into a flight from Addis Ababa to Nairobi on Sunday, killing all 157 people on board.

That followed the October crash of a new Lion Air jet of the same model in Indonesia, which killed 189 people shortly after takeoff from Jakarta.

The widening action against the aircraft has put pressure on Boeing—the world's biggest plane manufacturer—to prove the 737 MAX is safe, and the company has said it is rolling out flight software updates by April that could address issues with a faulty sensor.

Factfile on the Boeing 737 MAX 8
Factfile on the Boeing 737 MAX 8

The full extent of the impact of the bans on international travel routes was unclear. There are about 350 MAX 8s currently in service around the world.

Air Canada, for example, announced it was canceling flights to London following Britain's decision to ban the aircraft.

The EU aviation safety agency also closed European airspace to MAX planes.

"At this early stage of the related investigation, it cannot be excluded that similar causes may have contributed to both events," it said, referring to the Ethiopian and Lion Air crashes

An Ethiopian Airlines Boeing 737 MAX 8 went down minutes into a flight to Nairobi, killing all 157 people on board
An Ethiopian Airlines Boeing 737 MAX 8 went down minutes into a flight to Nairobi, killing all 157 people on board
'Precautionary measure'

As the number of bans and groundings of the 737 MAX grew, US President Donald Trump weighed in with a tweet on Tuesday: "Airplanes are becoming far too complex to fly."

"Pilots are no longer needed, but rather computer scientists from MIT," he wrote, referring to the prestigious university.

He later spoke by telephone to Boeing CEO Dennis Muilenburg, who assured the president the aircraft is safe, an industry source told AFP.

US carriers have so far appeared to maintain confidence in Boeing, which has been ordered by the FAA to make changes to flight systems and pilot training procedures.

US President Donald Trump tweeted that modern planes are too complicated for pilots
US President Donald Trump tweeted that modern planes are too complicated for pilots

But it was not enough to reassure the UK Civil Aviation Authority, which said it was banning the planes from British airspace "as a precautionary measure".

Global air travel hub Singapore, as well as Australia, Malaysia and Oman, were among the other countries to ban MAX planes.

Vietnam, New Zealand and Hong Kong joined them on Wednesday.

Currently, no Vietnamese carriers fly 737 MAXs, but budget carrier Vietjet has ordered 200 of them.

China, a hugely important market for Boeing, on Monday ordered domestic airlines to suspend operations of the plane.

Debris of a Boeing 737 MAX 8 plane strewn over a crash site outside Addis Ababa
Debris of a Boeing 737 MAX 8 plane strewn over a crash site outside Addis Ababa

And Turkish Airlines, one of the largest carriers in the world, said it was suspending use of its 12 MAX aircraft from Wednesday, until "uncertainty" was clarified.

Low-cost airline Norwegian Air Shuttle, South Korea's Eastar Jet and South Africa's Comair also said they would halt flights.

'Significant industry impact'

Boeing has described the MAX series as its fastest-selling family of planes, with more than 5,000 orders placed to date from about 100 customers.

But not since the 1970s—when the McDonnell Douglas DC-10 suffered successive fatal incidents—has a new model been involved in two deadly accidents in such a short period.

The doomed Boeing 737 MAX airliner was carrying passengers and crew from 35 countries
The doomed Boeing 737 MAX airliner was carrying passengers and crew from 35 countries

Thomas Anthony, head of the Aviation Safety and Security Program at the University of Southern California, said increasing automation of planes means crews have less experience flying manually.

"So it's not just a mechanical, it is not just a software problem, but it is a problem of communication and trust," he said.

The plane involved in Sunday's crash was less than four months old, with Ethiopian Airlines saying it was delivered on November 15.

Investigators have recovered the black box flight recorders, which could potentially provide information about what happened, depending on their condition.


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Citation: US says 'no basis' to ground Boeing 737 MAX jets after crash (2019, March 13) retrieved 17 June 2019 from https://phys.org/news/2019-03-basis-ground-boeing-max-jets.html
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