Standard separation was lost between 2 aircraft.

Attributes
ACN	422817
Time
Date	199812
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : gsh
State Reference	IN
Altitude	msl bound lower : 23000 msl bound upper : 23000
Environment
Light	Dusk
Aircraft 1
Operator	general aviation : personal
Make Model Name	HS 125 Series 1-600
Flight Phase	descent other
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Citation II S2/Bravo
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Experience	controller military : 3 controller radar : 7
ASRS Report	422817
Person 2
Function	flight crew : captain oversight : pic
Events
Anomaly	non adherence : required legal separation non adherence : published procedure
Independent Detector	other controllera
Resolutory Action	none taken : insufficient time
Consequence	Other
Miss Distance	horizontal : 17400 vertical : 1000
Supplementary
Air Traffic Incident	Operational Error

Narrative:

No narrative supplied.

Original NASA ASRS Text

Title: STANDARD SEPARATION WAS LOST BTWN 2 ACFT.

Narrative: NO NARRATIVE SUPPLIED.

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.