Flight management system for uavs

A flight management system for unmanned aerial vehicle (UAV), comprising:

• UAV equipped for cellular fourth generation (4G) based flight control, said UAV carrying on board:
• at least one 4G modem;
• at least one antenna connected to said at least one modem for providing uplink wireless RF to the 4G network;
• a computer (42) connected to said modem;
• a 4G infrastructure to support sending via uplink and receiving via downlink from and to said UAV, said infrastructure further including at least:
• a base station capable of communicating with said UAV along its flight path;
• an antenna in said at least one base station capable of supporting a downlink to said UAV;
• a control centre to accept navigation related data from said downlink, said centre further including at least;
• a connection to said 4G infrastructure for obtaining downlinked data;
• a computer for calculating location of said UAV using at least data from said downlink, and
• a connection to said 4G infrastructure for providing uplink.