One of the major stumbling blocks for Amazon's plan - and others like it - is a Federal Aviation Administration (FAA) stipulation that drones have to stay in the line of sight of the operator at all times. Fortune staffer Jonathan Vanian explains the new regulation, which requires operators to pass a certification exam, not fly drones over 100 miles per hour or 400 ft and and avoid flying them at night.

As the National Association of Realtors recently stated when the news on drones first came out, "This bird's eye view can provide the client with a much better idea of the neighborhood surrounding a property and physical characteristics of the property itself". Now you can legally use drones for business purposes, whether that's aerial photography or videography, scientific research, real estate inspection, surveying of land or other uses.

This two day course will expose students to key aspects of the Unmanned Aircraft Systems industry with a focus on the operator role and mission.

The provisions of the new rule are created to minimize risks to other aircraft and people and property on the ground.

"The ability to fly over people is a huge step forward, and a necessary one as we cover the news where it happens", said David Vigilante, CNN's senior vp legal, said in a statement. Users can operate their drones in Class G (uncontrolled airspace without air traffic control permission) and in general, a UAS/drone may be flown no higher than 400 feet above ground level.

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Before the implementation of Part 107, an exemption or waiver was required prior to operating a UAS/drone (this was referred to as a Section 333 exemption).

With more than 300,000 registered drone owners in the United States, drone regulations are starting to get their bearings.

Drone operators must also pass a test of their aeronautical knowledge administered by the FAA.

At the Eastern Iowa airport, drones are not allowed within five miles of the airport.