Fgt was issued descent and came in close proximity to another fgt on a converging course.

Attributes
ACN	108106
Time
Date	198904
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : nuw
State Reference	WA
Altitude	msl bound lower : 18000 msl bound upper : 18000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zse
Operator	other
Make Model Name	Fighter
Flight Phase	descent other
Route In Use	arrival other
Flight Plan	IFR
Aircraft 2
Operator	other
Make Model Name	Fighter
Flight Phase	descent other
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : flight data
Qualification	controller : radar
Experience	controller military : 4 controller radar : 20
ASRS Report	108106
Person 2
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation non adherence : published procedure other spatial deviation
Independent Detector	atc equipment other atc equipment : unspecified other controllera
Resolutory Action	controller : issued new clearance none taken : insufficient time
Consequence	faa : investigated
Miss Distance	horizontal : 18000 vertical : 500
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

The radar controller was recovering 2 fgt aircraft inbound to whidbey NAS. Descent clearance was issued to each aircraft west/O realizing that they were on converging courses. Latitude sep was lost prior to vertical sep being achieved.

Original NASA ASRS Text

Title: FGT WAS ISSUED DESCENT AND CAME IN CLOSE PROX TO ANOTHER FGT ON A CONVERGING COURSE.

Narrative: THE RADAR CTLR WAS RECOVERING 2 FGT ACFT INBND TO WHIDBEY NAS. DSCNT CLRNC WAS ISSUED TO EACH ACFT W/O REALIZING THAT THEY WERE ON CONVERGING COURSES. LAT SEP WAS LOST PRIOR TO VERT SEP BEING ACHIEVED.

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.