X-Plane 10 Scenery--OIII Mehrabad International, Tehran, Iran, 1.0. Mehrabad International Airport or Mehrabadis is an airport that serves Tehran, Iran. It was the primary airport of Tehran in both international and domestic passenger traffic but has been replaced by Imam Khomeini International Airport (IKA) in most of its international flights. It is still by far the busiest airport in Iran in terms of passenger traffic and aircraft movements, handling 13,163,368 passengers in 2010.This is a remake rather then upgrade. Uses default library, OpenScenery and RUScenery. Also objects by GOLF1. By Rene Bruun.