ZDC radar controller attempts to prevent a conflict by turning and descending traffic.

Attributes
ACN	589038
Time
Date	200308
Day	Tue
Place
Locale Reference	navaid : gve.vortac
State Reference	VA
Altitude	msl single value : 20000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 17 flight time total : 7500
ASRS Report	589038
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne critical non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : radar mode c other controllera other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance flight crew : took evasive action other
Miss Distance	horizontal : 24000 vertical : 200
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

I climbed aircraft X to FL270. I realized aircraft X would not clear aircraft Y by required separation. I descended aircraft Y and expedited aircraft X's climb. I then turned aircraft Y sbound.

Original NASA ASRS Text

Title: ZDC RADAR CTLR ATTEMPTS TO PREVENT A CONFLICT BY TURNING AND DSNDING TFC.

Narrative: I CLBED ACFT X TO FL270. I REALIZED ACFT X WOULD NOT CLR ACFT Y BY REQUIRED SEPARATION. I DSNDED ACFT Y AND EXPEDITED ACFT X'S CLB. I THEN TURNED ACFT Y SBOUND.

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.