Following Saturday’s crash of an Ethiopian Airlines Boeing 737-MAX 800 flight that killed all 157 onboard, a total of 11 countries have grounded operations of the aircraft model in their fleet, most "until further notice".
Hadiri Sirika, Nigeria's Aviation Minister had said no MAX currently operates in Nigeria, tweeting on Tuesday: "As we continue to mourn the ET crash in Addis, and pray for the victims, we wish to reassure Nigerians that we do not have any Boeing 737 Max on Nigeria’s register to worry about. Civil Aviation Authority has issued the needed advisory, please."
However, Nigerian airline Air Peace has since confirmed that its multi-million-dollar deal with the American aircraft manufacturer, The Boeing Company, on September 13, 2018 for the delivery of 10 brand new B737 MAX 800 aircraft was "still on".
Here's a look at the countries that have grounded the aircraft and their reasons for taking the decision.
Just hours ago, Britain banned the 737 MAX 8 from its airspace until further notice.
The UK Civil Aviation Authority said it "has been closely monitoring the situation, however, as we do not currently have sufficient information from the flight data recorder we have, as a precautionary measure, issued instructions to stop any commercial passenger flights from any operator arriving, departing or overflying the UK airspace".
Just like the UK, Australia's Australia's Civil Aviation Safety Authority (CASA) on Tuesday banned all Boeing 737 Max 8 aircraft from flying to or from the country.
Authorities described the move as "a temporary suspension while we wait for more information to review the safety risks of continued operations of the Boeing 737 MAX".
Civil Aviation Administration of China's said similarities between the Ethiopian Airlines crash and the Lion Air crash had caused concern over the Boeing aircraft and so it had taken the decision to ground the models operations in the country in response to Sunday’s crash.
On Sunday, Royal Air Maroc grounded its sole Boeing 737 MAX 8.
A company official who spoke with Reuters on condition of anonymity said Royal Air Maroc grounded its only MAX 8 in use and will not fly it until Boeing completes investigations into the aircraft type.
Eastar Jet, the South Korean Airline, said it had suspended its two Boeing 737 Max 8 planes it used in its Japan and Thailand operations.
Cayman Airway's CEO Fabian Whorms said on Sunday evening it would ground its two 737 Max 8 aircraft until more information were received.
He added that "while the cause of this sad loss is undetermined at this time, we stand by our commitment to putting the safety of our passengers and crew first by maintaining complete and undoubtable safe operations".
The Mexican airline AeroMexico said it was suspending six Boeing 737 Max 8 planes amid would be replacing them with "other planes".
Brazil followed suit with its Gol Airlines suspending121 Boeing 737 Max 8 aircraft it acquired just in June 2018.
The Airline said the decision was for "total security and efficiency".
Oman's civil aviation authority said Tuesday morning that it was suspending the 737 MAX 8 into and out of all airports in the country until further notice.
Singapore's ban started on the Boeing 737-MAX 800 flying in or out of the country started at 2:00 p.m. on Tuesday (2:00 a.m. ET,) the Civil Aviation Authority of Singapore (CAAS) said.
On Tuesday, Indonesia's air-safety regulator said it would "halt" all flights involving the planes.