Are we safe from government spy plane "drones" crashing into our homes?

a. federal, air line pilots association, aircraft, aircraft owners, atmospheric administration, aviation, barbara trent, bell helicopter textron, border, border protection, border protection predator, brian townsend, by alan levin, coast guard, drone, drones, dyke weatherington, eagle eye, engine, federal, federal aviation administration, feet, fly, general, general atomics, general atomics aeronautical systems, heidi williams, house aviation subcommittee, john hansman, john porter, los angeles county, michael kostelnik, national oceanic, national transportation safety board, pilots association, plane, planes, predator, president bush, safety, standards, tom duggin, uavs, unmanned