Air carrier was vectored and descended through altitude of cpr.

Attributes
ACN	107956
Time
Date	198903
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : tay
State Reference	FL
Altitude	msl bound lower : 29300 msl bound upper : 31000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zjx
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	general aviation : corporate
Make Model Name	Medium Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller non radar : 5 controller radar : 1
ASRS Report	107956
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 non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : unspecified other controllera
Resolutory Action	none taken : insufficient time
Consequence	faa : investigated
Miss Distance	horizontal : 21000 vertical : 1700
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

I was working alma high radar at ZJX. I had vectored air carrier X west of course for descent below cpr Y. After observing descent rate, I vectored air carrier X back to the leese arrival believing cpr Y would no longer be a factor. Apparently rate of descent slowed and aircraft got less than minimum IFR sep from each other.

Original NASA ASRS Text

Title: ACR WAS VECTORED AND DESCENDED THROUGH ALT OF CPR.

Narrative: I WAS WORKING ALMA HIGH RADAR AT ZJX. I HAD VECTORED ACR X W OF COURSE FOR DSCNT BELOW CPR Y. AFTER OBSERVING DSCNT RATE, I VECTORED ACR X BACK TO THE LEESE ARR BELIEVING CPR Y WOULD NO LONGER BE A FACTOR. APPARENTLY RATE OF DSCNT SLOWED AND ACFT GOT LESS THAN MINIMUM IFR SEP FROM EACH OTHER.

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.