Air carrier X refused ATC clearance due to TCASII alert. Ghost target.

Attributes
ACN	247006
Time
Date	199304
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : obk
State Reference	IL
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ord tower : hvn
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other descent : approach
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 9
ASRS Report	247006
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Air carrier X given turn in to runway 14L localizer and cleared for approach. Air carrier X refused to turn in due to TCASII alert. Closest aircraft was VFR at 9'clock, 4 mi at 1600 ft.

Original NASA ASRS Text

Title: ACR X REFUSED ATC CLRNC DUE TO TCASII ALERT. GHOST TARGET.

Narrative: ACR X GIVEN TURN IN TO RWY 14L LOC AND CLRED FOR APCH. ACR X REFUSED TO TURN IN DUE TO TCASII ALERT. CLOSEST ACFT WAS VFR AT 9'CLOCK, 4 MI AT 1600 FT.

Data retrieved from NASA's ASRS site as of July 2007 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.