The end of an era: Alaska retires unique cargo-passenger ‘combi’ planes After a weeklong fishing trip in Yakutat, Alaska, retired Captain David Olson found himself on one of the last flights of the 737-400 combis – a plane he piloted for two years straight when he first started flying for Alaska Airlines nearly 36 years ago. The unique cargo-passenger aircraft will officially retire Oct. 18. “It’s… 1 min read October 16, 2017 Keep up with Alaska