<< >> NASA ASRS Report 159224, October 1990

Approach controller vectored an aircraft in close proximity to another aircraft which resulted in less than standard separation.

Attributes
ACN	159224
Time
Date	199010
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : clt
State Reference	NC
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : clt
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other descent : approach
Route In Use	arrival other enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	cruise other descent : approach
Route In Use	arrival other enroute : 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 : 240 flight time total : 15000 flight time type : 4000
ASRS Report	159224
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	conflict : airborne less severe non adherence : published procedure non adherence : required legal separation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance other
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 8000 vertical : 500
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

We were being radar vectored for ILS back course runway 23 into clt. We were assigned a heading of 060 degree at 4000'. We received a new heading of left turn 230 degree while passing through a heading of 330 degree we received another heading of 060 degree right turn immediately! We saw a large transport heading approximately 230 degree towards clt. No evasive action required. After landing at clt we talked to the controllers by telephone. They said no problem.

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Original NASA ASRS Text

Title: APCH CTLR VECTORED AN ACFT IN CLOSE PROX TO ANOTHER ACFT WHICH RESULTED IN LESS THAN STANDARD SEPARATION.

Narrative: WE WERE BEING RADAR VECTORED FOR ILS BACK COURSE RWY 23 INTO CLT. WE WERE ASSIGNED A HDG OF 060 DEG AT 4000'. WE RECEIVED A NEW HDG OF L TURN 230 DEG WHILE PASSING THROUGH A HDG OF 330 DEG WE RECEIVED ANOTHER HDG OF 060 DEG R TURN IMMEDIATELY! WE SAW A LGT HDG APPROX 230 DEG TOWARDS CLT. NO EVASIVE ACTION REQUIRED. AFTER LNDG AT CLT WE TALKED TO THE CTLRS BY TELEPHONE. THEY SAID NO PROB.

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.