Production Volume The production numbers aren t fully clear Boeing Photo Store states More than 6 000 Sabre Jets were built worldwide Yet the article refers to an extended production run of over 7 800 aircraft between 1949 and 1956 Granted 7800 is more than 6000 but why such a large gap Also does the production of all variants at 9 860 units include the variants mentioned in the next paragraph or are those in addition to the 9 860 added another 1 815 airframes Regardless these numbers are of a totally different magnitude then 6 000 and no citations are given