20 years isn&#x27;t that much for an airframe, airframes are usually calculated by cycles (landing&#x2F;takeoff) and flight hours.<p>The newest USAF airframe for it&#x27;s KC135 tanker which is based on the 707 rolled out in 1956 which makes it almost 60 years old.<p>The average age for the 767-200 in AA is 25
<a href="https:&#x2F;&#x2F;www.aa.com&#x2F;i18n&#x2F;aboutUs&#x2F;corporateResponsibility&#x2F;profile&#x2F;amr-corporation-at-a-glance.jsp" rel="nofollow">https:&#x2F;&#x2F;www.aa.com&#x2F;i18n&#x2F;aboutUs&#x2F;corporateResponsibility&#x2F;prof...</a><p>So 20 years for a cargo aircraft especially if was converted from a passenger jet and overhauled isn&#x27;t really that much.