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US: Some reports of Christmas laser lights causing interference

There have been 13 incidents reported to the U.S. Federal Aviation Administration that involve, or possibly involve, laser Christmas lights, from November 20 through December 2 2017.

The first reported Christmas-related incident of 2017 came on November 20. As of this writing, December 2 is the last date for which incident information is available.

There are 13 days from November 20 through December 2. With 13 potential Christmas-related incidents, that is a rate of one Christmas incident per day.

In the previous 323 days of 2017, from January 1 through November 19, there were 5,734 incidents or 17.8 per day.

So Christmas lights appear to be adding one extra incident per day (a 5.6% increase), early in the holiday season.

This story will be updated as additional December incident data becomes available.

Based on FAA incident reporting. See our page on Christmas holiday laser projectors for more information, plus these pages about holiday lighting reports here and here.