Departure controller distraction with visual approach traffic had light transport and small transport in conflict at same altitude in very close proximity.

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Attributes
ACN	86913
Time
Date	198804
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : teb
State Reference	NJ
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	general aviation : corporate
Make Model Name	Light Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : intermediate altitude cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Make Model Name	Small Transport, Low Wing, 2 Recip Eng
Flight Phase	climbout : intermediate altitude cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : departure
Qualification	controller : radar
Experience	controller radar : 6
ASRS Report	86913
Person 2
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : unspecified other controllera
Resolutory Action	other
Consequence	Other
Miss Distance	horizontal : 4500 vertical : 0
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Small transport Y departed lincoln park, nj, and was climbed to 4000' on a 170 degree heading. Light transport X departed teterboro, nj, off runway 19 and was climbed to 4000' on a 280 degree heading (traffic overhead prohibited climb above 4000'). Departure controller became distracted with a conflict of ewr departures and a visual approach to linden, nj. Aircraft had less than standard separation.

Original NASA ASRS Text

Title: DEP CTLR DISTR WITH VISUAL APCH TRAFFIC HAD LTT AND SMT IN CONFLICT AT SAME ALT IN VERY CLOSE PROX.

Narrative: SMT Y DEPARTED LINCOLN PARK, NJ, AND WAS CLBED TO 4000' ON A 170 DEG HDG. LTT X DEPARTED TETERBORO, NJ, OFF RWY 19 AND WAS CLBED TO 4000' ON A 280 DEG HDG (TFC OVERHEAD PROHIBITED CLB ABOVE 4000'). DEP CTLR BECAME DISTRACTED WITH A CONFLICT OF EWR DEPS AND A VISUAL APCH TO LINDEN, NJ. ACFT HAD LTSS.

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.