Does your favourite airline fly the Boeing 737 Max? Find out

The plane that crashed on Sunday outside Addis Ababa, Ethiopia, revived questions about a new Boeing model that is growing in popularity among airlines.

The crash was the second in just five months involving the model, a Boeing 737 Max 8. Concerns first surfaced after a Lion Air flight crashed near Indonesia in October, killing all 189 people aboard.

The 737 class is a workhorse for airlines worldwide, and the single-aisle 737 Max has been Boeing’s best-selling plane ever. More than 340 of the Max 8 planes are currently registered, and many more are on order.

Max 8 planes flew more than 8,500 flights worldwide in the week beginning Feb. 25, according to Flightradar24, a flight tracking service. The most popular routes were in North America and China.

Routes Boeing 737 Max 8 Planes Fly Most Often

Note: Only routes with 40 or more flights per week on a given airline are shown

Two American carriers that use the planes heavily — Southwest Airlines and American Airlines — have said they will continue to fly them. But on Monday, China and Indonesia ordered their airlines to ground all of the Max 8 jets they operate. Some other carriers, including Cayman Airways and Comair, followed suit.

Status of Max 8 flights by airline as of March 12

AIRLINE	STATUS	No. OF 737 MAX 8S IN FLEET
Southwest Airlines	In use	34
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American Airlines	In use	24
China Southern Airlines	Grounded	22
Norwegian Air	In use	18
Air China	Grounded	15
TUI fly	In use	15
SpiceJet	In use	13
WestJet	In use	13
Hainan Airlines	Grounded	11
Shanghai Airlines	Grounded	11
FlyDubai	In use	11
Turkish Airlines	In use	11
Xiamen Airlines	Grounded	10
Lion Air	Grounded	10
Smartwings	In use	7
Shandong Airlines	Grounded	7
GOL Airlines	Grounded	7
Shenzhen Airlines	Grounded	6
SilkAir	Grounded	6
Aeromexico	Grounded	6
Aerolineas Argentinas	Grounded	5
LOT	Unknown	5
Oman Air	In use	5
Jet Airways	Previously grounded	5
Ethiopian Airlines	Grounded	4
China Eastern Airlines	Grounded	4
Sunwing Airlines	In use	4
Lucky Air	Grounded	3
Air Italy	In use	3
Icelandair	In use	3
Cayman Airways	Grounded	2
Eastar Jet	Unknown	2
Fiji Airways	In use	2
Fuzhou Airlines	Grounded	2
Kunming Airlines	Grounded	2
Okay Airways	Grounded	2
S7 Airlines	In use	2
Enter Air	Unknown	2
Royal Air Maroc	Grounded	1
9 Air	Grounded	1
Garuda Indonesia	Grounded	1
Comair	Grounded	1
Mauritania Airlines	Unknown	1
MIAT Mongolian Airlines	Unknown	1
Corendon Airlines	Unknown	1
SCAT	In use	1

Investigators have not yet determined the cause of the Ethiopia crash, but they recovered both the flight data recorder and the cockpit voice recorder on Monday.

Some circumstances of the crash, such as unusual altitude changes after takeoff, were similar to those in the Lion Air flight.

Five months later, the causes of the Indonesian crash are still under investigation. But the tragedy revealed that Boeing and the United States Federal Aviation Administration determined that pilots did not need to be informed of changes to the Max 8’s flight control system, which may have contributed to the crash.

credit: New York Times