The Ethiopian Airlines crash that killed 157 people Sunday is raising concerns over Boeing's 737 Max 8, the aircraft involved in the disaster.

Countries around the world are grounding entire fleets of the Boeing 737 Max 8. And countries like Britain, Germany, France and China are barring the planes from flying in their airspace.

MORE: Ethiopian Airlines crash kills 157, spreads global grief

So far, the United States has not taken any action despite calls to temporarily suspend flights from some congressional leaders, consumer groups, the flight attendants union and passengers.

According to the Federal Aviation Administration, there are 350 Boeing 737 Max 8s in use worldwide, and 74 are registered to fly in the United States.

American and Southwest airlines have about 58 between them. Both companies issued statements saying they have no plans to pull their aircraft out of service at this time.

Southwest Airlines, which does fly out of MacArthur Airport, said:

And American Airlines said:

Dr. Mike Canders, director of the Aviation Center at Farmingdale State College, says that while the crash resulted in a significant loss of life, more time is needed to determine whether the U.S. should take action against the Boeing plane.

The MacArthur Airport commissioner tells News 12 that less than 5 percent of the Southwest fleet from Islip comprises Max 8s and that they have not received any calls from concerned residents.