CE560 with N90 experienced TCAS RA at 3000 ft with unrpted traffic.

Attributes
ACN	705192
Time
Date	200607
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : dpk.vor
State Reference	NY
Altitude	msl single value : 3000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90.tracon
Operator	general aviation : corporate
Make Model Name	Citation Excel
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : n90.tracon
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise : level
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : multi engine pilot : atp
Experience	flight time last 90 days : 100 flight time total : 10500 flight time type : 2000
ASRS Report	705192
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Events
Anomaly	conflict : airborne critical
Independent Detector	aircraft equipment : tcas other flight crewa
Resolutory Action	flight crew : took evasive action
Miss Distance	horizontal : 0 vertical : 500
Supplementary
Problem Areas	Flight Crew Human Performance ATC Human Performance
Primary Problem	Ambiguous

Narrative:

While cruising at 3000 ft; 10 mi northwest of dpk; we received a TCAS RA to climb. We followed the RA; climbing to 3500 ft; where the TCAS RA stopped. We then advised ATC of the TCAS climb and returned to our assigned altitude of 3000 ft.

Original NASA ASRS Text

Title: CE560 WITH N90 EXPERIENCED TCAS RA AT 3000 FT WITH UNRPTED TFC.

Narrative: WHILE CRUISING AT 3000 FT; 10 MI NW OF DPK; WE RECEIVED A TCAS RA TO CLB. WE FOLLOWED THE RA; CLBING TO 3500 FT; WHERE THE TCAS RA STOPPED. WE THEN ADVISED ATC OF THE TCAS CLB AND RETURNED TO OUR ASSIGNED ALT OF 3000 FT.

Data retrieved from NASA's ASRS site as of January 2009 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.