Flight crew of an MD88 took evasive action during vector to final to avoid another MD88 on a downwin...

Attributes
ACN	485910
Time
Date	200009
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	navaid : atl.vortac
State Reference	GA
Altitude	msl single value : 11000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : atl.tracon
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Navigation In Use	other other vortac
Flight Phase	descent : intermediate altitude
Route In Use	arrival : on vectors
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tracon : atl.tracon
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Flight Phase	descent : intermediate altitude
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 14000 flight time type : 2000
ASRS Report	485910
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : multi engine pilot : instrument
Events
Anomaly	aircraft equipment problem : critical conflict : airborne critical
Independent Detector	other flight crewa other flight crewb
Miss Distance	horizontal : 3000 vertical : 600
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

Our flight was on vectors to final and were vectored into the path of an aircraft on downwind for runway 8L in atlanta. Estimate the 2 aircraft came within 1/2 mi horizontal and 600 ft vertical of each other during our turn to avoid the other aircraft.

Original NASA ASRS Text

Title: FLC OF AN MD88 TOOK EVASIVE ACTION DURING VECTOR TO FINAL TO AVOID ANOTHER MD88 ON A DOWNWIND LEG.

Narrative: OUR FLT WAS ON VECTORS TO FINAL AND WERE VECTORED INTO THE PATH OF AN ACFT ON DOWNWIND FOR RWY 8L IN ATLANTA. ESTIMATE THE 2 ACFT CAME WITHIN 1/2 MI HORIZ AND 600 FT VERT OF EACH OTHER DURING OUR TURN TO AVOID THE OTHER ACFT.

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.

Flight crew of an MD88 took evasive action during vector to final to avoid another MD88 on a downwind leg.