National Investigators found the 'door plug' that blew off a Boeing 737 Max. Here's what it is Investigators are trying to understand why a system that's worked well on other planes failed here, and the plug itself may hold clues. Joel Rose
National Before a door plug flew off a Boeing plane, an advisory light came on 3 times The auto pressurization light came on during three recent flights involving the same plane, the National Transportation Safety Board said. Some plane components are being sent to a NTSB lab. Ayana Archie
National FAA orders grounding of certain Boeing 737 Max 9 planes after Alaska Airlines incident The announcement comes after one of the planes, operated by Alaska Airlines, experienced a mid-flight emergency on Friday, which involved a section of plane breaking off in midair. Juliana Kim
Business Seattle-based Alaska Airlines wants to buy Hawaiian. Can they get federal approval? Alaska CEO Ben Minicucci says buying Hawaiian will help it compete against the four biggest U.S. airlines. Alaska is the fifth largest carrier in North America, based on passenger volume. Kim Malcolm Andy Hurst
Business Will regulators stop the Alaska Hawaiian merger? Seattle-based Alaska Airlines announced over the weekend it plans to buy Hawaiian Airlines. The $1.9 billion merger would solidify Alaska's position as the nation's fifth largest carrier, if federal regulators don't block the deal. Libby Denkmann Hans Anderson
Class action lawsuit against Alaska Airlines in wake of pilot emergency Alaska Airlines and Horizon Air face a class action lawsuit after last month's high-profile incident, when an off-duty pilot attempted to shut off an airplane's engines mid-flight. KUOW Staff
Health In wake of Alaska's mid-air scare, researcher cites mental health gaps for commercial pilots Dr. William Hoffman seeks to combat misinformation. “You absolutely can be an airline pilot and be on an SSRI. You can absolutely be an airline pilot and have spoken to a therapist.” Kim Malcolm John O'Brien
National FBI: 'I am not okay' off-duty Alaska pilot said before trying to turn off jet engines New details from the off-duty pilot's interactions with the flight crew are contained in a federal affidavit charging him with interfering during Sunday's flight which diverted to Portland, Ore. Russell Lewis Joel Rose
Off-duty Alaska Airlines pilot arrested following attempt to disable engines mid-flight An Alaska Airlines spokesperson said the off-duty pilot is now in custody and is being investigated by law enforcement authorities. Katie Campbell
Business Starbucks is out, Stumptown is in on Alaska, Horizon flights Starbucks is out. Stumptown is in on all Alaska Airlines flights. Dyer Oxley
