Cpr X climb to occupied altitude had less than standard separation from air carrier Y. System error.

Attributes
ACN	234812
Time
Date	199302
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : geg
State Reference	WA
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zse
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Route In Use	enroute : direct
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar instruction : trainee
Qualification	controller : developmental
Experience	controller radar : 2
ASRS Report	234812
Person 2
Affiliation	government : faa
Function	controller : radar instruction : instructor
Qualification	controller : radar
Experience	controller radar : 8
ASRS Report	234758
Events
Anomaly	conflict : airborne less severe non adherence : published procedure non adherence : required legal separation
Independent Detector	atc equipment other atc equipment : unspecified
Resolutory Action	none taken : detected after the fact
Consequence	faa : investigated
Miss Distance	horizontal : 12000 vertical : 100
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Issued FL350 to cpr X. I should have not given him requested altitude. Much backgnd noise and tmu was advising that sector would go 'red' (overloaded) in next 30 mins, and discussion on speed and spacing on an large transport and light transport that were handed off to sector, that they didn't like. Air carrier Y had TCASII, however, no warning. Only reported seeing aircraft visually. Same with cpr X. Supplemental information from acn 234758: issued FL350 to cpr X and probably should have given FL330. Much backgnd noise and talking to tmu about sector 47 going 'red.' also discussing speed control from earlier situation. Conflict alert went off only 1 min prior. Both aircraft had TCASII but neither reported TCASII RA, only visual sighting. Supplemental information from acn 234755: trainee and instructor didn't identify and resolve conflict in timely fashion.

Original NASA ASRS Text

Title: CPR X CLB TO OCCUPIED ALT HAD LTSS FROM ACR Y. SYS ERROR.

Narrative: ISSUED FL350 TO CPR X. I SHOULD HAVE NOT GIVEN HIM REQUESTED ALT. MUCH BACKGND NOISE AND TMU WAS ADVISING THAT SECTOR WOULD GO 'RED' (OVERLOADED) IN NEXT 30 MINS, AND DISCUSSION ON SPD AND SPACING ON AN LGT AND LTT THAT WERE HANDED OFF TO SECTOR, THAT THEY DIDN'T LIKE. ACR Y HAD TCASII, HOWEVER, NO WARNING. ONLY RPTED SEEING ACFT VISUALLY. SAME WITH CPR X. SUPPLEMENTAL INFO FROM ACN 234758: ISSUED FL350 TO CPR X AND PROBABLY SHOULD HAVE GIVEN FL330. MUCH BACKGND NOISE AND TALKING TO TMU ABOUT SECTOR 47 GOING 'RED.' ALSO DISCUSSING SPD CTL FROM EARLIER SIT. CONFLICT ALERT WENT OFF ONLY 1 MIN PRIOR. BOTH ACFT HAD TCASII BUT NEITHER RPTED TCASII RA, ONLY VISUAL SIGHTING. SUPPLEMENTAL INFO FROM ACN 234755: TRAINEE AND INSTRUCTOR DIDN'T IDENT AND RESOLVE CONFLICT IN TIMELY FASHION.

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.