Center controller lost standard separation on his attempt to climb an aircraft above the opposite direction traffic, resulting in an operational error.

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Attributes
ACN	417880
Time
Date	199810
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : prb
State Reference	CA
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	artcc : zoa
Operator	general aviation : personal
Make Model Name	Learjet 35
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Navigation In Use	Other
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 9
ASRS Report	417880
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial pilot : atp pilot : instrument
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 other
Consequence	faa : investigated
Miss Distance	horizontal : 11250 vertical : 1400
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

I was climbing the lear jet to their requested altitude and didn't realize that it would be a conflict with the MD80. I was trying too hard to accommodate the requested altitude. Don't put aircraft safety in jeopardy to accommodate pilot requests. The aircraft were opposite direction and the climbing aircraft should have been stopped beneath the aircraft at cruise altitude.

Original NASA ASRS Text

Title: CTR CTLR LOST STANDARD SEPARATION ON HIS ATTEMPT TO CLB AN ACFT ABOVE THE OPPOSITE DIRECTION TFC, RESULTING IN AN OPERROR.

Narrative: I WAS CLBING THE LEAR JET TO THEIR REQUESTED ALT AND DIDN'T REALIZE THAT IT WOULD BE A CONFLICT WITH THE MD80. I WAS TRYING TOO HARD TO ACCOMMODATE THE REQUESTED ALT. DON'T PUT ACFT SAFETY IN JEOPARDY TO ACCOMMODATE PLT REQUESTS. THE ACFT WERE OPPOSITE DIRECTION AND THE CLBING ACFT SHOULD HAVE BEEN STOPPED BENEATH THE ACFT AT CRUISE ALT.

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.