Onboard cocktails: take a load off with a Moscow Mule You don’t need a copper mug to enjoy this onboard twist on the popular Moscow Mule. This crowd-pleasing drink (and its accompanying at-home recipe) is shared by Erik Chapman, barman and distiller at Seattle’s Sun Liquor Distillery, a small, local business which produces the premium gin, rum and vodka served onboard Alaska Airlines flights. 1 min read September 12, 2014 Keep up with Alaska