U.S., Dec. 5 -- The Federal Aviation Administration (FAA) issued a warning today that holiday laser-light displays aimed at houses become potentially dangerous when aimed into the sky.

The agency receives reports each year from pilots who are distracted or temporarily blinded by residential laser-light displays. This creates a serious safety risk to pilots and their passengers flying overhead.

The extremely concentrated beams of laser lights reach much farther than might be realized. People with laser-light displays that affect pilots will be asked to adjust them or turn them off. A refusal to do so could lead to a civil penalty.

The warning comes as laser strikes against aircraft continue to increase. From January 1 to November 23 thi...