Plane crashes

FILE- In this March 21, 2018, file photo a Thai Lion Air employee displays a ceremonial key to the company's newest plane, Boeing's first 737 MAX 9 jet, following a delivery ceremony to the airline in Seattle. The United States and many other countries have grounded the Max 8s and larger Max 9s as Boeing faces the challenge of proving the jets are safe to fly amid suspicions that faulty sensors and software contributed to the two crashes in less than five months. (AP Photo/Elaine Thompson, File)

FILE - In this Monday, Jan. 14, 2019, file photo, Indonesian Navy Commander Rear Admiral Yudo Margin shows the recovered cockpit voice recorder of Lion Air flight 610 that crashed into the sea in October during a press conference on board of the navy ship KRI Spica in the waters off Tanjung Karawang, Indonesia. Indonesia's transport safety board chair said during a press conference, Thursday, March 21, 2019, that a third pilot was in the cockpit of penultimate Lion Air flight before the crash. (AP Photo/Achmad Ibrahim, File)

In this Monday, March 11, 2019 file photo, a Boeing 737 MAX 8 airplane being built for TUI Group sits parked in the background at right at Boeing Co.'s Renton Assembly Plant in Renton, Wash. The Transportation Department confirmed that its watchdog agency will examine how the FAA certified the Boeing 737 Max 8 aircraft, the now-grounded plane involved in two fatal accidents within five months. The FAA had stood by the safety of the plane up until last Wednesday, March 13, 2019 despite other countries grounding it. (AP Photo/Ted S. Warren, File)

In this Monday, March 11, 2019 file photo, a Boeing 737 MAX 8 airplane being built for TUI Group sits parked in the background at right at Boeing Co.'s Renton Assembly Plant in Renton, Wash. The Transportation Department confirmed that its watchdog agency will examine how the FAA certified the Boeing 737 Max 8 aircraft, the now-grounded plane involved in two fatal accidents within five months. The FAA had stood by the safety of the plane up until last Wednesday, March 13, 2019 despite other countries grounding it. (AP Photo/Ted S. Warren, File)

In this Monday, March 11, 2019 file photo, a Boeing 737 MAX 8 airplane being built for TUI Group sits parked in the background at right at Boeing Co.'s Renton Assembly Plant in Renton, Wash. The Transportation Department confirmed that its watchdog agency will examine how the FAA certified the Boeing 737 Max 8 aircraft, the now-grounded plane involved in two fatal accidents within five months. The FAA had stood by the safety of the plane up until last Wednesday, March 13, 2019 despite other countries grounding it. (AP Photo/Ted S. Warren, File)

FILE- In this March 14, 2019, file photo a worker walks next to a Boeing 737 MAX 8 airplane parked at Boeing Field in Seattle. U.S. prosecutors are looking into the development of Boeing's 737 Max jets, a person briefed on the matter revealed Monday, the same day French aviation investigators concluded there were "clear similarities" in the crash of an Ethiopian Airlines Max 8 last week and a Lion Air jet in October. (AP Photo/Ted S. Warren, File)

A priest cries at a mass funeral at the Holy Trinity Cathedral in Addis Ababa, Ethiopia Sunday, March 17, 2019. Thousands of Ethiopians have turned out to a mass funeral ceremony in the capital one week after the Ethiopian Airlines plane crash. Officials have begun delivering bags of earth to family members of the 157 victims of the crash instead of the remains of their loved ones because the identification process is going to take such a long time. (AP Photo/Mulugeta Ayene)

This aerial image made from video shows recovery work continuing at the scene where the Ethiopian Airlines Boeing 737 Max 8 crashed shortly after takeoff on Sunday killing all 157 on board, near Bishoftu, south-east of Addis Ababa, in Ethiopia Friday, March 15, 2019. Analysis of the flight recorders has begun in France, the airline said Friday, while in Ethiopia officials started taking DNA samples from victims' family members to assist in identifying remains. (AP Photo/Yidnek Kirubel)

In this photo taken Thursday, March 14, 2019, Father Michael Wa Mugi lights a candle and signs the book of condolence next to a photo of Catholic priest Rev. George Mukua Kageche, 40, who died in the recent plane crash in Ethiopia, at a prayers ceremony held at his home in Githunguri, near Nairobi, in Kenya. The Rev. George Kageche Mukua was one of 32 Kenyans killed when Ethiopian Airlines flight 302 faltered shortly after takeoff from Addis Ababa and crashed, a numbingly high toll on a flight carrying people from 35 countries. (AP Photo/Sayyid Abdul Azim)