Air Traffic Control Fully Certified
Other / Unknown
Conflict NMAC
Air Traffic Control Issued Advisory / Alert
Human Factors
VFR helicopter inbound to from northwest at 1;500 FT. Unknown target appeared off his left side approximately same altitude. I called traffic who took evasive action and descended immediately to about 1;200 FT.
Local Controller described a conflict event between a VFR helicopter arrival and an unknown target suddenly appearing to the side of the helicopter.