SYNOPSIS
The helicopter took off from a private helicopter pad adjacent to the West Link Bridge (on the M50 motorway) on a VFR flight to Howth, a distance of 16 miles across the city. The aircraft was exiting the Phoenix Park area at 1,000 ft. AMSL when the engine low oil pressure light came on. The pilot reduced collective pitch and made a precautionary landing on to the main square of an army barracks in the area.