Major European nations, including Britain, Germany and France, joined a wave of suspensions of Boeing Co's 737 MAX aircraft on Tuesday following the latest fatal crash involving the jet.
European Aviation Safety Agency also suspended all flight operations of the plane in the European Union.
Boeing said on Tuesday it has "full confidence" in the safety of the 737 MAX fleet, and many countries and airlines continue to operate the narrowbody jet.
Here is a list of groundings so far:
GROUNDINGS/SUSPENSIONS BY COUNTRY:
Australia's Civil Aviation Safety Authority said it had temporarily suspended the operation of Boeing 737 MAX aircraft to or from the country.
Austria has decided to ground Boeing 737 MAX aircraft for security reasons until further notice, its transport minister said.
Belgium closed down its air space for Boeing 737 MAX planes, the country's news agency Belga quoted transport minister Francois Bellot as saying.
Britain on Tuesday suspended flights of the 737 MAX aircraft over its territory. "We have, as a precautionary measure, issued instructions to stop any commercial passenger flights from any operator arriving, departing or overflying UK airspace," a spokesperson said in a statement.
China's aviation regulator on Monday grounded 96 MAX 8s including those operated by Air China, China Eastern Airlines, China Southern Airlines and Hainan Airlines.
France's DGAC civil aviation authority on Tuesday banned Boeing 737 MAX aircraft from French airspace.
German Transport Minister Andreas Scheuer told German broadcaster n-tv on Tuesday that German airspace was closed for Boeing 737 MAX aircraft.
India will ground Boeing's 737 MAX aircraft immediately, the ministry of civil aviation said late on Tuesday.
Indonesia will temporarily ground Boeing 737 MAX 8 aircraft operating in the country for inspection, the director general of aviation said on Monday.
The Irish Aviation Authority is temporarily suspending the operation of all variants of the Boeing 737 MAX aircraft in Irish airspace with immediate effect.
Italy will close its airspace to Boeing 737 Max 8 airliners from Tuesday night.
Netherlands has ordered its airspace closed for Boeing 737 MAX 8 aircraft, press agency ANP reported, citing the country's transportation minister.
Norway closed its airspace to all Boeing 737 Max 8 planes, the head of its civil aviation authority, Lars Kobberstad, told NRK public radio.
Poland closed its airspace to Boeing 737 Max 8 airliners from Tuesday evening and grounded its own fleet of the planes.
Singapore's Civil Aviation Authority suspended operations of all Boeing 737 MAX aircraft in and out of the country.
South Korea is conducting an emergency inspection on Eastar Jet's two MAX 8 jets, a ministry official said. The South Korean budget carrier would temporarily ground its two 737 MAX 8s from Wednesday, an airline spokesman said on Tuesday.
Turkey's Transport Ministry has suspended all flights by Boeing 737 Max 8 and Max 9 models, state-owned news agency Anadolu said.
UAE General Civil Aviation Authority has banned operation of Boeing 737 MAX models as a precautionary measure, Emirates News Agency said.
Vietnam state media reported Civil Aviation Authority Of Vietnam (CAAV) will not issue licenses to local airlines to operate the 737 MAX until the cause of the Ethiopian crash is determined.
GROUNDINGS BY AIRLINE:
The airline said it had grounded both of its MAX 8 jets until it got more information on the crash.
The South African airline said that it would remove 737 MAX 8 jets from its schedule. It has ordered eight aircraft of this type but has only received one so far.
The company will temporarily ground its MAX 8 passenger jets at the advice of European regulators.
Russia's S7 Airlines says it grounded Boeing 737 MAX 8 planes. It had only two such planes in Russia.
Singapore Airlines said its unit Silk Air, which operates 6 MAX 8 planes, has temporarily withdrawn them from service.
Germany's TUI Group, the largest leisure, travel and tourism company in the world, said it was discontinuing all Boeing 737 MAX 8 flights across all airlines of the group.
Turkish Airlines has grounded all commercial flights by its Boeing 737 MAX models as of March 13 until uncertainty over their safety is resolved.
This is what countries and airlines, who have NOT grounded the MAX jets, are saying:
"We have operated this aircraft type since 2017 and currently have 24 in our fleet. These aircraft have performed excellently from a safety, reliability and customer satisfaction perspective."
The company said it remained fully confident in the aircraft and that it was closely monitoring the investigation.
The Vietnamese airline, which announced last month it was in talks to buy 25 Boeing 737 planes, declined to comment.
BRAZIL'S AIR TRAVEL REGULATOR
Brazil's air travel regulator said it was not grounding the aircraft and that it was following the investigation.
Canadian Transport Minister Marc Garneau said on Tuesday that the government has no plans to ground Boeing 737 MAX aircraft, but is ready to "act immediately" to suspend flights if new information emerges indicating there is a problem.
The airline, which operates 2 MAX 8 planes, said it was confident in the jet.
The US airline said it remained fully confident in the aircraft and was closely monitoring the investigation.
SunExpress, a joint venture between Turkish Airlines and Germany's Lufthansa, is seeking more clarity ahead of five MAX-8 plane deliveries by the end of the year.
"We are monitoring the situation closely and will not speculate on the cause of the incident at this time. We have 13 MAX aircraft in our fleet of 121 Boeing 737s."