21. Air Corridor ceased operations on 10 January 2008.22. Currently the airport has only one air corridor that is used for both landing and take-off. 23. It was agreed that the participating aircraft would not be fired upon within specified air corridors . 24. It was the 12th near miss this year in the crowded air corridors over New Delhi. 25. In 1991, Southwest expanded in a big way in California, the nation's most heavily traveled air corridor . 26. The Soviets also granted only three air corridors for access to Berlin from Hamburg, B�ckeburg and Frankfurt. 27. Air traffic at small airports in the nation's busiest air corridor is increasing along with residential development. 28. A few B-17 ELINT flights were also made in the Berlin Air Corridors , but only at night. 29. The plane was in a regularly used air corridor for commercial aircraft, he said . ( dm-gm) 30. "It's the busiest air corridor in the world up there, " said Delta Air Lines spokesman John Kennedy.