with the aircraft it's about to strike. going into an engine can destroy an engine. going into the cockpit window can injure a pilot or even kill a pilot. >> reporter: scares like the one at jfk happen more often than you think. the faa reports at least two drone incidents each day. that's an average of 60 close calls each month. in the cases of delta flight 407 and jetblue flight 1834 both the planes landed safely. the faa tells cnn it's investigating both incidents. it's unclear if the same drone was involved in both incidents. the faa tells cnn that they are looking for whoever operated one or both of the drones. poppy? >> nick thank you very much for that. let's talk more about this with someone who flies commercial planes for a living. cnn aviation analyst, les onland is with me. granted these are small and probably recreational not someone with nefarious intentions we don't know but what can a drone of this size do