WASHINGTON — The Latest on the Ethiopian Airlines crash (all times local):

9:30 p.m.

Boeing's CEO says the aircraft manufacturer is taking actions to ensure the safety of its 737 Max jets in the wake of two crashes that killed 346 people.

In an open letter addressed to airlines, passengers and the aviation community, Dennis Muilenburg says Boeing will soon release a software update and offer related pilot training for the 737 Max to "address concerns" that arose in the aftermath of October's Lion Air flight that plunged into the Java Sea, killing 189. The planes' new flight-control software is suspected of playing a role in the crashes.

Muilenburg says Boeing representatives are supporting the investigation into the cause of last week's crash of an Ethiopian Airlines Max 8 that killed 157.

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.