<< >> NASA ASRS Report 1029549, August 2012

Local controller described a conflict event between a VFR helicopter arrival and an unknown target suddenly appearing to the side of the helicopter.

Attributes
ACN	1029549
Time
Date	201208
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	Helicopter
Flight Phase	Cruise
Flight Plan	VFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	Cruise
Route In Use	None
Person 1
Function	Local
Qualification	Air Traffic Control Fully Certified
Events
Anomaly	Conflict NMAC

Narrative:

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.

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Original NASA ASRS Text

Title: Local Controller described a conflict event between a VFR helicopter arrival and an unknown target suddenly appearing to the side of the helicopter.

Narrative: 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.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.