Indeed, not mentioning it&#x27;s the last version of the venerable DC-9 is a major omission.  When I started flying from home for educational reasons in late high school in the late &#x27;70s Ozark Airlines was all DC-9s, and they sure seemed to be excellent.<p>In reference to other comments on the DC-3, Wikipedia says &quot;<i>the last [Ozark] DC-3 flight was October 1968</i>&quot; (<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Ozark_Air_Lines#Jets" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Ozark_Air_Lines#Jets</a>).