3 ms·In a commercial passenger jet designed in the 1950's.by 1001101 9y agoIn a commercial passenger jet designed in the 1950's.mirimir 9y ago... which subsequently went into commercial service, for 19 years!rpeden 9y agoIf you count freighters, the DC-8 is still in commercial service. Not too many of them, though.mirimir 9y agoNo, I meant that particular airplane! It already had the "Canadian Pacific" paint when tested, so it was probably already sold.rpeden 9y agoAhh! Understood :) It looks like some of CP's stretched DC-8s lived on into the 90s, albeit with other airlines.