Airborne conflict. Possible less than legal separation.

Attributes
ACN	131350
Time
Date	198912
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : cha
State Reference	TN
Altitude	msl bound lower : 27100 msl bound upper : 33000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 60 flight time total : 10000 flight time type : 8000
ASRS Report	131350
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 210 flight time total : 2200 flight time type : 210
ASRS Report	131380
Events
Anomaly	non adherence : required legal separation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Cleared to climb to FL330. Passing 27100' center advised to level at FL270. Advised center we were past FL270 and would level immediately and descend to FL270. Center advised to continue to climb and turn from 190 to 120 degrees, and called traffic at FL280. We had traffic at 10 O'clock, wbound. We zoomed through FL290 and turned to 120 degrees. Traffic passed well to our right.

Original NASA ASRS Text

Title: AIRBORNE CONFLICT. POSSIBLE LESS THAN LEGAL SEPARATION.

Narrative: CLRED TO CLB TO FL330. PASSING 27100' CENTER ADVISED TO LEVEL AT FL270. ADVISED CENTER WE WERE PAST FL270 AND WOULD LEVEL IMMEDIATELY AND DSND TO FL270. CENTER ADVISED TO CONTINUE TO CLB AND TURN FROM 190 TO 120 DEGS, AND CALLED TFC AT FL280. WE HAD TFC AT 10 O'CLOCK, WBOUND. WE ZOOMED THROUGH FL290 AND TURNED TO 120 DEGS. TFC PASSED WELL TO OUR RIGHT.

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.