(NEWSER) – The FAA is investigating an incident in which two planes came frighteningly close to one another in the air over New York City, NBC 4reports. The June 13 incident occurred when a Delta 747 missed its approach at JFK airport and circled around again—in the process running afoul of a Shuttle America regional jet that was just taking off from LaGuardia. The two planes were, at one point, only 200 feet apart, a federal official says.

"The two aircraft were turning away from each other at the point where they lost the required amount of separation," the FAA said in a statement. It's unclear why the Delta plane missed its landing in the first place.

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