"If it had hit us, we would have been dead—it's that heavy," the man's neighbor said.
Officials say that the cause of the crash remains to be determined.
It is not yet clear why the plane was flying so low.
The incident involved "high-speed low passes at the agents in the observation post," an FBI chief revealed this week.
Bob Ringwald had a medical emergency, forcing the plane to divert.
Legislation introduced in both the House and the Senate would ban airlines from behaving as United did with David Dao in April.
This is the first time that a single operator has been allowed to fly so many drones in the U.S.
The government is hoping to have drone owners registered before Christmas.
The Germanwings crash on Tuesday was not the first of its kind.
A new draft rule also suggests limiting speeds to 100 mph.
German company cancels second delivery drone mission due to inclement weather.