TCASII RA causes medium large transport to climb 400 ft above assigned altitude.

Attributes
ACN	224636
Time
Date	199210
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : atl
State Reference	GA
Altitude	msl bound lower : 11000 msl bound upper : 11400
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : atl
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other cruise other
Route In Use	arrival other arrival star : star
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	climbout : intermediate altitude 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 : 150 flight time total : 15000 flight time type : 150
ASRS Report	224636
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 12000 vertical : 1400
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation other

Narrative:

While on rome arrival into katl at 11000 ft on atl 313/08 we received a TCASII alert and RA. The red arc commanded a plus 2000 FPM climb. We climbed to 11400 ft and spotted traffic at 2 O'clock 2 NM passing right to left. Traffic believed to be departure traffic leveling at 10000 ft. Approach was advised of our action and we were revectored into the approach pattern with no further action necessary.

Original NASA ASRS Text

Title: TCASII RA CAUSES MLG TO CLB 400 FT ABOVE ASSIGNED ALT.

Narrative: WHILE ON ROME ARR INTO KATL AT 11000 FT ON ATL 313/08 WE RECEIVED A TCASII ALERT AND RA. THE RED ARC COMMANDED A PLUS 2000 FPM CLB. WE CLBED TO 11400 FT AND SPOTTED TFC AT 2 O'CLOCK 2 NM PASSING R TO L. TFC BELIEVED TO BE DEP TFC LEVELING AT 10000 FT. APCH WAS ADVISED OF OUR ACTION AND WE WERE REVECTORED INTO THE APCH PATTERN WITH NO FURTHER ACTION NECESSARY.

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.