WASHINGTON – The Federal Aviation Administration is studying whether to gain change takeoff and landing procedures at John F. Kennedy International Airport after a second near-collision of aircraft in less than a week.

Acting FAA Administrator Robert Sturgell said a change ordered on Friday for the New York airport might not be permanent.

The FAA directed a change in the way takeoffs and landings are sequenced on perpendicular runways after two passenger airlines, one taking off one landing, came within a half mile of each other. Six days earlier, a similar incident occurred.

The FAA has drawn criticism from federal lawmakers and others over an alarming rate of runway incursions, which defined as an event in which any aircraft, vehicle or person intrudes in space reserved for takeoff or landing.

The runway safety system announced Monday involves lightning systems to be installed at 19 more airports over the next three years. The lights change color to signal when a runway is safe to enter or cross.

The system of warning lights has been tested at Dallas-Fort Worth and San Diego airports. Similar systems will be installed at major airports as well.