The Irish Aviation Authority says that its received reports from pilots of 158 such strikes in 2013.
In March of last year, a laser beam was shone at a plane coming in to land at Donegal Airport.
And Just last week an Air Corp helicopter transferring a critically ill baby from Letterkenny to a Dublin hospital was hit by a laser beam.
The beams can be a distraction and hinder the vision of pilots.
The beams can be a distraction and hinder the vision of pilots as Eilis Barrett is Operations Manager at Donegal Airport pointed out at the time of the Donegal Airport incident: