Framed photographs of seven crew members are displayed at a memorial service held by an association of Ethiopian airline pilots, in Addis Ababa, Ethiopia, March 11, 2019.
Framed photographs of seven crew members are displayed at a memorial service held by an association of Ethiopian airline pilots, in Addis Ababa, Ethiopia, March 11, 2019.

WHITE HOUSE - Canada has banned from its airspace the model of an American-made jetliner that crashed and killed 157 people Sunday, leaving the United States as the world's most high-profile country to continue to allow the aircraft to remain in service. 
 
The new Boeing 737 Max 8 aircraft has crashed twice in less than five months, killing nearly 350 people. 
 
Canadian Transport Minister Marc Garneau told reporters in Ottawa that Wednesday's decision was made after receiving new satellite data that showed a possible similarity to a previous crash.    

WATCH: Trump Grounds Boeing Plane After Intense Pressure

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Canada's action followed confirmation that the pilot of Ethiopian Airlines Flight 302 reported internal control problems, while pilots in the U.S. filed at least five complaints in recent months about the aircraft model. Some of the complaints appear to involve the same anti-stall system, according to a U.S. Federal Aviation Administration database. Complaints are filed anonymously to improve the reporting of safety problems. 
 
Ethiopian Airlines spokesman Asrat Begashaw said the pilot asked to return to Addis Ababa, from which the flight had departed. "In fact, he was allowed to turn back," Begashaw told the Reuters news agency. Boeing CEO Dennis Muilenburg confirmed the pilot's problems in interviews with The Wall Street Journal and CNN.  

A Boeing 737 Max 8 aircraft bearing the logo of China Southern Airlines is parked at a Boeing production facility in Renton, Washington, March 11, 2019.
Popular Boeing Jet Under Scrutiny After Crash
The United States told international carriers on Monday that the Boeing 737 Max 8 is airworthy as regulators scrutinize two fatal crashes of the new model of aircraft since October, but said it will mandate forthcoming "design changes" from Boeing by April.An Ethiopian Airlines 737 Max 8 bound for Nairobi crashed minutes after take-off Sunday, killing all 157 aboard and raising questions about the safety of the new variant of the industry workhorse, one of which also crashed in Indonesia in October,…

U.S. President Donald Trump's administration continues to resist growing domestic and international calls to ground the 737 Max 8, even as Trump discussed the issue Tuesday in a phone call with Muilenburg. The Boeing executive reassured Trump the aircraft is safe, company and White House officials confirmed.  
 
Muilenburg called Trump after the president complained Tuesday on Twitter that planes "are becoming far too complex to fly." The call was in the process of being scheduled prior to Tuesday. The two men have developed a relationship since Trump was elected. 
 
Boeing donated $1 million to Trump's inaugural fund and the two men met later at Trump's Mar-a-Lago resort in Florida to discuss the new Air Force One presidential aircraft that Boeing is constructing. Trump applauded Muilenburg last June at a National Space Council meeting, calling the CEO a "friend of mine. A great guy." 

FILE - Boeing CEO Dennis Muilenburg is interviewed
FILE - Boeing CEO Dennis Muilenburg is interviewed on the Fox Business Network, in New York, Nov. 13, 2018.

As a key military contractor, Boeing is a major lobbying force in Washington. Boeing spent $15 million on lobbying last year, according to the Center for Responsive Politics. Boeing also has close ties with the U.S. government, particularly with the Federal Aviation Administration.  
 
After decades of using outside experts to certify the safety of aircraft, the FAA changed its approach in 2005 with the creation of a new program through which Boeing and other U.S. aircraft manufacturers could select their own employees to help certify their planes. 
 
About two-thirds of the Boeing 737 Max 8, the company's newest plane, were pulled from service within two days of Sunday's crash.  

Airlines and the number of grounded Boeing 737-MAX
Airlines and the number of grounded Boeing 737-MAX 8 airplanes

U.S. House Transportation Committee Chairman Peter DeFazio, D-Ore., has suggested the FAA could be conflicted by its roles as an aviation industry advocate and regulator. The Senate plans to conduct a hearing on airline safety. 
 
Trump has resisted calls for the jet to be grounded until the cause of the crashes is found and planned modifications of software are installed for the aircraft's automatic anti-stall system.

FILE - Workers service an Ethiopian Airlines Boeing 737-800 plane at the Bole International Airport in Ethiopia's capital Addis Ababa, Jan. 26, 2017.
Boeing Likely to Face New Questions After Another 737 Crash
Investigators rushed to the scene of a devastating plane crash in Ethiopia on Sunday, an accident that could renew safety questions about the newest version of Boeing’s popular 737 airliner.The Boeing 737 Max 8 operated by Ethiopian Airlines crashed shortly after taking off from the capital of Addis Ababa, killing all 157 people on board.The plane was new. The weather was clear. Yet something was wrong, and the pilots tried to return to the airport.

Boeing also said in a statement Tuesday that it had no plans to ground the Max 8, while the FAA said its own review of available data showed no basis for doing so. 
 
Boeing announced on Monday that it was developing a "flight control software enhancement for the 737 Max, designed to make an already safe aircraft even safer."  
 
The initial crash of the Max 8 involved a Lion Air domestic flight in Indonesia on Oct. 29, 2018. The plane plunged into the Java Sea, killing all 189 people on board.   
 
During Sunday's Ethiopian Airlines flight, the plane nosedived minutes after takeoff from Addis Ababa on a flight to Nairobi, Kenya, witnesses said. 
 
The flight data and cockpit voice recorders from Flight 302 have been recovered, the airline announced Monday. Begashaw confirmed Wednesday that the black box that contains the records would be sent to Europe for analysis. Begashaw did not indicate which country would conduct it. ?

VOA's Steve Herman contributed to this report.