B767 flight crew deviates, takes evasive action in response to TCASII RA in atl airspace.

Attributes
ACN	415166
Time
Date	199809
Day	Sat
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : atl
State Reference	GA
Altitude	msl bound lower : 2000 msl bound upper : 4500
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	tracon : atl
Operator	common carrier : air carrier
Make Model Name	B767-300 and 300 ER
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Brasilia EMB-120 All Series
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	approach : visual
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 75 flight time total : 14000 flight time type : 6000
ASRS Report	415166
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 200 flight time total : 14000 flight time type : 5400
ASRS Report	414609
Events
Anomaly	conflict : nmac
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 : 500 vertical : 0
Supplementary
Primary Problem	Flight Crew Human Performance

Narrative:

Brasilia on approach to south side, crossed over to north side airspace. An RA was heard and descent of 3000 FPM initiated, until conflict resolved. We were on GS, on centerline airspeed 160 KIAS. Approach control never advised us, however, we advised them of conflict.

Original NASA ASRS Text

Title: B767 FLC DEVIATES, TAKES EVASIVE ACTION IN RESPONSE TO TCASII RA IN ATL AIRSPACE.

Narrative: BRASILIA ON APCH TO S SIDE, CROSSED OVER TO N SIDE AIRSPACE. AN RA WAS HEARD AND DSCNT OF 3000 FPM INITIATED, UNTIL CONFLICT RESOLVED. WE WERE ON GS, ON CTRLINE AIRSPD 160 KIAS. APCH CTL NEVER ADVISED US, HOWEVER, WE ADVISED THEM OF CONFLICT.

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.