Airbus, which flew the A321LR for the first time Jan. 31, is studying a further raise in passenger capacity for its largest single-aisle model, executives said in Hamburg.

TUI Group plans to take delivery of four more Boeing 737 MAX 8s this year as it begins a major fleet renewal initiative.

United Airlines, broadening its used-aircraft acquisition strategy to widebodies, will add three Boeing 767-300ERs to its fleet in 2018, continuing a trend that has seen it tap the second-hand market to boost its fleet significantly in the past two years.

NTSB said FAA and the airline industry should determine if improved ultrasonic inspection of engine parts during manufacturing would have found the defect that caused an uncontained engine failure in October 2016 on an American Airlines Boeing 767.

Hawaiian parent Hawaiian Holdings reported a net profit of $364 million for 2017, up 54.6% from net income of $235.4 million in 2016.