Trump’s Iran crackdown collides with NATO ally seeking access to America’s prized fighter jet

At least 83 flights operated by U.S.-sanctioned Iranian airlines landed in Turkey in the five days after a key American sanctions deadline, according to flight data analyzed by the Foundation for Defense of Democracies, putting a new spotlight on whether Washington will enforce its escalating pressure campaign against companies servicing the carriers in a NATO ally.

The Sept. 28 FDD report said U.S. pressure has helped push Iranian airlines out of several regional markets, including Iraq...