Potential conflict. Less than standard separation. Avoidance maneuver.

Attributes
ACN	109708
Time
Date	198904
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : lga
State Reference	NY
Altitude	msl bound lower : 8900 msl bound upper : 9200
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 210 flight time total : 9050 flight time type : 1000
ASRS Report	109708
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	conflict : airborne less severe
Independent Detector	other controllera
Resolutory Action	other other
Consequence	Other
Miss Distance	horizontal : 4500 vertical : 300
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Climbing out of ewr level at 5000', given clearance to climb to 10000'. At 8900' traffic was called 12 O'clock, 2 mi, 9500'. We stopped at 9200' and saw aircraft as called 300' vertical and between 1 and 1/2 mi horizontal. (On frequency 120.4.) called facility, talked to controller, advised a supervisor had seen the traffic and jumped in to call us. (We continued to bos.)

Original NASA ASRS Text

Title: POTENTIAL CONFLICT. LESS THAN STANDARD SEPARATION. AVOIDANCE MANEUVER.

Narrative: CLBING OUT OF EWR LEVEL AT 5000', GIVEN CLRNC TO CLB TO 10000'. AT 8900' TFC WAS CALLED 12 O'CLOCK, 2 MI, 9500'. WE STOPPED AT 9200' AND SAW ACFT AS CALLED 300' VERT AND BTWN 1 AND 1/2 MI HORIZ. (ON FREQ 120.4.) CALLED FAC, TALKED TO CTLR, ADVISED A SUPVR HAD SEEN THE TFC AND JUMPED IN TO CALL US. (WE CONTINUED TO BOS.)

Data retrieved from NASA's ASRS site as of August 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.