TCASII RA flown near rbv to avoid traffic previously pointed out but not seen.

Attributes
ACN	493830
Time
Date	200011
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : rbv.vortac
State Reference	NJ
Altitude	msl bound lower : 11000 msl bound upper : 13300
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B737-500
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : level
Route In Use	arrival star : rbv
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 210 flight time total : 16000 flight time type : 7000
ASRS Report	493830
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : multi engine
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne critical
Independent Detector	aircraft equipment : tcas other controllerb
Resolutory Action	controller : issued advisory flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew faa : investigated
Miss Distance	vertical : 400
Supplementary
Problem Areas	Airspace Structure
Primary Problem	Airspace Structure

Narrative:

Inbound on the rbv arrival to ewr at 11000 ft, ATC advised VFR traffic at 10500 ft. We never saw the traffic. A couple of mins later, a TCASII RA directed a rapid climb to 13300 ft. The map display indicated the traffic passed 400 ft directly underneath us.

Original NASA ASRS Text

Title: TCASII RA FLOWN NEAR RBV TO AVOID TFC PREVIOUSLY POINTED OUT BUT NOT SEEN.

Narrative: INBOUND ON THE RBV ARR TO EWR AT 11000 FT, ATC ADVISED VFR TFC AT 10500 FT. WE NEVER SAW THE TFC. A COUPLE OF MINS LATER, A TCASII RA DIRECTED A RAPID CLB TO 13300 FT. THE MAP DISPLAY INDICATED THE TFC PASSED 400 FT DIRECTLY UNDERNEATH US.

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.