I was made aware of a private Clojure project that is comprised of over 30k lines. So we aren't the largest, but probably the first to be on a commercial aircraft.

But as Tim pointed out auditing of open source projects had most far smaller than 16k. Lamina a very feature rich library I think was on the order of 6k.

Perhaps I should have gone with "Clojure on planes" as my title.