https://droneincidents.com/feeds/incident/new-york-drone-helicopter-collision-2017-09-21.xmlDroneLedger: Drone and Army helicopter collide near New York City in September 20172026-10-16T01:41:13.340000ZDroneLedgertag:droneincidents.com,2026:revision/new-york-drone-helicopter-collision-2017-09-21/1Drone and Army helicopter collide near New York City in September 2017: revision 12026-10-16T01:41:13.340000ZCurated dossier created after checking the cited sources line by line.