Narrative:

I was working on west radar and had cleared aircraft #1 for a visual approach to runway 4 at gsp and was switched to tower 9 mi southwest. I had previously released aircraft #2; a lance; off of gmu runway 1. I had first released him with a right turn to 120 degrees. Before I switched aircraft #1 to the tower; I amended the heading to 070 degrees to pass north of the gsp airport. 30 seconds after departing I realized aircraft #1 was descending slowly and aircraft #2 was climbing very slowly. I assigned aircraft #2 'turn left heading 030 degrees; leaving 30; I'll have on course.' this would ensure separation. I missed the readback due to the operations supervisor asking me 'if that was the guy you turned to 120 degrees off of gmu.' 30 seconds later; I realized aircraft #2 and asked him 'verify you are on a 030 degree heading.' aircraft 2 replied 'not yet; 'cause I wasn't at 3000 ft.' I immediately turned aircraft #2 left to 360 degrees. I could not turn him further as I had a beech jet released off runway 1 at gmu. The closest the aircraft got was 2.28 mi and 800 ft.

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Original NASA ASRS Text

Title: GSP TRACON CTLR EXPERIENCED OPERROR AT 2400 FT WHEN FAILING TO INSURE SEPARATION BTWN AN ARR TO GSP AND A DEP FROM GMU.

Narrative: I WAS WORKING ON W RADAR AND HAD CLRED ACFT #1 FOR A VISUAL APCH TO RWY 4 AT GSP AND WAS SWITCHED TO TWR 9 MI SW. I HAD PREVIOUSLY RELEASED ACFT #2; A LANCE; OFF OF GMU RWY 1. I HAD FIRST RELEASED HIM WITH A R TURN TO 120 DEGS. BEFORE I SWITCHED ACFT #1 TO THE TWR; I AMENDED THE HDG TO 070 DEGS TO PASS N OF THE GSP ARPT. 30 SECONDS AFTER DEPARTING I REALIZED ACFT #1 WAS DSNDING SLOWLY AND ACFT #2 WAS CLBING VERY SLOWLY. I ASSIGNED ACFT #2 'TURN L HDG 030 DEGS; LEAVING 30; I'LL HAVE ON COURSE.' THIS WOULD ENSURE SEPARATION. I MISSED THE READBACK DUE TO THE OPS SUPVR ASKING ME 'IF THAT WAS THE GUY YOU TURNED TO 120 DEGS OFF OF GMU.' 30 SECONDS LATER; I REALIZED ACFT #2 AND ASKED HIM 'VERIFY YOU ARE ON A 030 DEG HEADING.' ACFT 2 REPLIED 'NOT YET; 'CAUSE I WASN'T AT 3000 FT.' I IMMEDIATELY TURNED ACFT #2 L TO 360 DEGS. I COULD NOT TURN HIM FURTHER AS I HAD A BEECH JET RELEASED OFF RWY 1 AT GMU. THE CLOSEST THE ACFT GOT WAS 2.28 MI AND 800 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.