ZDC controller experienced loss of separation with 2 en route aircraft at FL390.

Attributes
ACN	600633
Time
Date	200311
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : csn.vortac
State Reference	VA
Altitude	msl single value : 39000
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	general aviation : corporate
Make Model Name	Learjet 60
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR Combined VFR
Person 1
Affiliation	government : faa
Function	controller : radar
Experience	controller radar : 14 controller time certified in position1 : 4 controller time certified in position2 : 1
ASRS Report	600633
Person 2
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	atc equipment : conflict alert other controllera
Resolutory Action	controller : issued new clearance
Consequence	faa : investigated
Miss Distance	horizontal : 24000 vertical : 100
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Aircraft were on converging courses and an improper heading was issued causing error.

Original NASA ASRS Text

Title: ZDC CTLR EXPERIENCED LOSS OF SEPARATION WITH 2 ENRTE ACFT AT FL390.

Narrative: ACFT WERE ON CONVERGING COURSES AND AN IMPROPER HDG WAS ISSUED CAUSING ERROR.

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.