montreal unite nations aviation agency back creation single global drone registry part broad efforts come common rule fly track unman aircraft international civil aviation organization impose regulations countries icao propose formation registry montreal symposium month make data accessible real time say stephen creamer director icao air navigation bureau single registry would eschew multiple databases favor one-stop-shop would allow law enforcement remotely identify track unman aircraft along operator owner initiative come time drone usage soar unite state europe china raise privacy concern fear collisions commercial jet get commonality carry five receivers police car creamer say interview thursday yet clear would operate database although icao could possibly fill role proposal however could face push back users hobbyists successfully challenge creation u.s. drone registry federal aviation administration court early year icao host symposium sept 22-23 issue like register track drone along geofencing-like systems prevent operation restrict areas talk event attend experts company like google rockwell collins col.n amazon.com amzn.o accord meet program schedule montreal-headquartered icao normally set standards international civil aviation adopt 191-member countries ask assist development uniform domestic drone regulations remotely-piloted aircraft sell fly globally drone makers worry europe might create one set standards unite state might second china might third get build drone differently different environments creamer say parimal kopardekar principal investigator unman aircraft system traffic management utm nasa ames research center california say support drone industry develop around world common operate standards think smart icao try harmonize say phone drone build one country able use another country vice versa u.n. aviation agency call global drone registry