Iran attracts a few tourists who love to see, and if possible, fly on vintage airliners that have vanished from the skies elsewhere. US sanctions on the sale of airliners containing US-manufactured components make it impossible to sell not just Boeings but also Airbus planes, which rely on engines, avionics and other bits and pieces which are developed and made in the USA. As a result, the airlines of Iran rely on old models that were flying in Iran before the Islamic Revolution, or which have been smuggled into the country by devious means. A cloak and dagger tale has...