Flight crew of a FK100 climbed above assigned altitude in response to a TCASII RA resulting in less than standard separation with a jet 1000 ft above.

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Attributes
ACN	351980
Time
Date	199611
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : har
State Reference	PA
Altitude	msl bound lower : 8000 msl bound upper : 8600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Fokker 100
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude cruise other
Route In Use	enroute airway : zny
Flight Plan	IFR
Aircraft 2
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
ASRS Report	351980
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

Location: approximately har 300 degree radial, 4 DME. Level at 8000 ft, we received a TA which turned into an RA with a command to climb. We responded to RA by climbing to approximately 8600 ft, and notified nyc immediately. A cessna aircraft was visually spotted at 8000 ft, along with a jet aircraft at 9000 ft. In the same vicinity. We immediately returned to 8000 ft when we were clear of conflict. Nyc was not aware of any aircraft at 8000 ft, only of the jet at 9000 ft.

Original NASA ASRS Text

Title: FLC OF A FK100 CLBED ABOVE ASSIGNED ALT IN RESPONSE TO A TCASII RA RESULTING IN LTSS WITH A JET 1000 FT ABOVE.

Narrative: LOCATION: APPROX HAR 300 DEG RADIAL, 4 DME. LEVEL AT 8000 FT, WE RECEIVED A TA WHICH TURNED INTO AN RA WITH A COMMAND TO CLB. WE RESPONDED TO RA BY CLBING TO APPROX 8600 FT, AND NOTIFIED NYC IMMEDIATELY. A CESSNA ACFT WAS VISUALLY SPOTTED AT 8000 FT, ALONG WITH A JET ACFT AT 9000 FT. IN THE SAME VICINITY. WE IMMEDIATELY RETURNED TO 8000 FT WHEN WE WERE CLR OF CONFLICT. NYC WAS NOT AWARE OF ANY ACFT AT 8000 FT, ONLY OF THE JET AT 9000 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.