A TRACON controller protests that an air carrier climbed in response to a TCASII command.

Attributes
ACN	233613
Time
Date	199302
Day	Thu
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord
State Reference	IL
Altitude	msl bound lower : 7000 msl bound upper : 7500
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : ord
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
ASRS Report	233613
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	vertical : 1500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Air carrier aircraft advised the controller he climbed due to TCASII advisory with traffic below him level at 6000 ft. There was a clearance deviation by the aircraft of 500 ft. Communication was initiated by air carrier aircraft but only after he had completed maneuvering. Separation was put into jeopardy because this aircraft very well could have climbed into another aircraft when he was already separated by legal separation.

Original NASA ASRS Text

Title: A TRACON CTLR PROTESTS THAT AN ACR CLBED IN RESPONSE TO A TCASII COMMAND.

Narrative: ACR ACFT ADVISED THE CTLR HE CLBED DUE TO TCASII ADVISORY WITH TFC BELOW HIM LEVEL AT 6000 FT. THERE WAS A CLRNC DEV BY THE ACFT OF 500 FT. COM WAS INITIATED BY ACR ACFT BUT ONLY AFTER HE HAD COMPLETED MANEUVERING. SEPARATION WAS PUT INTO JEOPARDY BECAUSE THIS ACFT VERY WELL COULD HAVE CLBED INTO ANOTHER ACFT WHEN HE WAS ALREADY SEPARATED BY LEGAL SEPARATION.

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.