Federal investigators on Saturday began searching for what caused a Boeing jetliner with 143 people on board to slide off a runway into a shallow river while landing at a Jacksonville, Florida, military base during a thunderstorm, injuring 22 people.

Boeing on Wednesday named J. Michael Luttig as the newly-created position of counselor and senior adviser to deal with legal issues related to the two recent 737 MAX crashes.

Etihad Airways has unveiled a major Economy transformation programme starting with the cabin upgrade and refurbishment of 23 narrow-body Airbus A320 and A321 aircraft. The retrofit programme, which includes new personalised wireless streaming entertainment to smartphone and tablet devices, is scheduled for completion in August this year. The airline is also introducing a new and improved Economy dining concept on all its flights as part of a wider programme of enhancements to its inflight catering.

Two families filed lawsuits against Boeing in Chicago on Monday over the 737 MAX crashes that killed 346 people, the same day when Boeing held its shareholders meeting at the James Simpson Theatre in the Field Museum of Natural History in downtown Chicago.

Boeing Company CEO and Chairman Dennis Muilenburg told shareholders Monday that the company is close to completing an update to a flight control software of 737 MAX aircraft following two separate, deadly air crashes in Indonesia and Ethiopia in six months.

Emirates, the world's biggest long-haul airline, is reviewing its route network as it grapples with slowing economic growth and the demise of the A380 superjumbo, a plane that's been the cornerstone of its strategic thinking for almost two decades.

Boeing Co. was lambasted by the most powerful figure in Dubai aviation for failing to keep airlines updated on the grounding of the 737 Max jetliner, of which 14 have been delivered to the Persian Gulf emirate.

Argentina's government-controlled carrier Aerolineas Argentinas said on Sunday it canceled all flights scheduled for Tuesday due to a nationwide strike by labor unions opposed to the austerity program of President Mauricio Macri.

Scandinavian airline SAS canceled more than 1,200 flights scheduled for Monday and Tuesday as a pilot strike that has disrupted the travel plans of hundreds of thousands of passengers entered its third day on Sunday.

Southwest Airlines Co. first learned from Boeing Co. after a deadly Lion Air crash in October that an alert warning pilots of a sensor malfunction linked to the disaster wasn't a standard feature on the 737 Max.