drill down on runway safety after a troubling number of close calls between planes both othe ground and in the air. here s tom costello. reporter: at more than 90 airports nationwide nbc news has learned the faa is ordering urgent runway safety meetings after a surge in very close calls. ten days ago in san diego. go around. missed approach. reporter: a citation business jet nearly landed on top of a southwest 737. in austin last february a fedex plane ne ly landed on a southwest flight, both cleared for the same runway. at jfk airport in january delta 1946 cancel takeoff pls. reporter: an american plane cut off a delta flight already speeding toward takeoff. and this photo taken from a jetblue cockpit landing in boston as a business jet suddenly pulled onto the same runway without permission. more cases in sarasota, burbank, miami and san francisco.