ZDC controller lost separation between air carrier X climbing and air carrier Y descending.

Attributes
ACN	436490
Time
Date	199905
Day	Fri
Local Time Of Day	1201 To 1800
Place
State Reference	DC
Altitude	msl single value : 29700
Environment
Weather Elements	Turbulence
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	Light Transport
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	cruise : enroute altitude change
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Navigation In Use	Other
Flight Phase	cruise : enroute altitude change
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 16
ASRS Report	436490
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	conflict : airborne less severe non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	none taken : anomaly accepted
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Air carrier X on a vector climbing through air carrier Y. Initiated turn on air carrier X, was not enough to ensure separation. Air carrier X was turned to a 340 degree heading and air carrier Y was turned also. Separation loss.

Original NASA ASRS Text

Title: ZDC CTLR LOST SEPARATION BTWN ACR X CLBING AND ACR Y DSNDING.

Narrative: ACR X ON A VECTOR CLBING THROUGH ACR Y. INITIATED TURN ON ACR X, WAS NOT ENOUGH TO ENSURE SEPARATION. ACR X WAS TURNED TO A 340 DEG HDG AND ACR Y WAS TURNED ALSO. SEPARATION LOSS.

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.