A Boeing 737 Max airplane lands after a test flight at Boeing Field in Seattle. Reuters The boss of Europe's aviation regulator said he thinks the Boeing 737 Max is safe to fly, Bloomberg reported. Patrick Ky said his European Union Aviation Safety Agency is likely to formally approve the aircraft to operate in around a month. The 737 Max has been grounded since the second of two crashes that killed 346 people, which brought about the biggest crisis in Boeing's history. The US Federal Aviation Authority (FAA) hasn't approved the craft either, but is also preparing to do so, Bloomberg reported. Visit Business Insider's homepage for more stories. The head of the European Union aviation regulator said he considers the Boeing 737 Max safe to fly once again, nineteen months after it was grounded following two fatal crashes, Bloomberg News reported.Patrick Ky, executive director of the European Aviation Safety Agency (EASA), told the outlet that he considers the plane is safe to fly in European airspace after two test flights were conducted in September.