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US: Authorities search after St. Louis-area laser incidents

Authorities are trying to find the persons who aimed lasers at aircraft, in three separate incidents on Memorial Day weekend. On May 27 2012, a helicopter was illuminated within three miles of Lambert - St. Louis International Airport. On May 28, a Delta Airlines flight about 12 miles southeast of Lambert was illuminated by a green laser at an altitude of 5,000 feet. A third incident happened in St. Charles County.

A KSDK reporter quoted a St. Louis County Police helicopter pilot as saying “just about everyone who flies gets hit with a laser pointer at some point.” It is not clear if the pilot is referring to police helicopter pilots or to all pilots. (A LaserPointerSafety.com analysis shows that in the U.S., the chance of a pilot seeing a laser beam on any given flight in a single year, as of 2012, is about once in every 14,000 flights. This is based on 50,522,825 operations at U.S. airports Dec. 2010 to Dec. 2011 according to FAA’s Air Traffic Activity System, divided by 3,591 laser incidents in 2011, to give one incident for every 14,069 operations.)

From KSDK and KMOV