The Federal Aviation Administration (FAA) has said it will not ground the Boeing 737 Max aircraft despite mounting pressure. The US regulator said a review showed “no systemic performance issues” with the aircraft.
An Ethiopian Airlines plane crashed on Sunday killing all 157 people on board, in the second fatal accident involving the 737 Max 8 model in five months.
Numerous countries have banned the plane from their airspace. On Wednesday Hong Kong, Vietnam and New Zealand joined the list of countries that had banned 737 Max models.
The UK, China, the European Union and Australia had previously done so. Ted Cruz, a Republican senator who chairs a subcommittee on aviation and space, said: “I believe it would be prudent for the US likewise to temporarily ground 737 Max aircraft until the FAA confirms the safety of these aircraft and their passengers.”
Democratic senators Edward Markey and Richard Blumenthal have written to the FAA which they referred to as “our aviation safety cop on the beat” asking that the Boeing 737 Max should be grounded “until the agency can conclusively determine that the aircraft can be operated safely”.
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Democrat presidential hopeful Elizabeth Warren said that the FAA should follow other nations’ lead “immediately” and “get these planes out of the sky”.
And Republican senator Mitt Romney said: “Out of an abundance of caution for the flying public, the FAA should ground the 737 Max 8 until we investigate the causes of recent crashes and ensure the plane’s airworthiness.”
But the FAA said that other civil aviation authorities had not “provided data to us that would warrant action”.
Boeing has confirmed that for the past few months it has been developing a “flight control software enhancement” for the aircraft, but says it is confident they are safe to fly.