<< >> NASA ASRS Report 772950, January 2008

ZID assoc controller described operational error at approximately FL260 when controller descended cvg arrival into departure climbing from cmh.

Attributes
ACN	772950
Time
Date	200801
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : zzv.airport
State Reference	OH
Altitude	msl bound lower : 26000 msl bound upper : 27000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zid.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zid.artcc
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar pilot : instrument
Experience	flight time total : 250
ASRS Report	772950
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation
Independent Detector	atc equipment : conflict alert aircraft equipment : tcas other controllera
Resolutory Action	controller : issued new clearance controller : issued alert flight crew : took evasive action
Consequence	faa : investigated
Miss Distance	horizontal : 11400 vertical : 6000
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

I was working sector when the radar controller descended a cvg arrival early into the path of a cmh departure; which had a flash-through procedure from the low sector. The cvg arrival was assigned FL260; and the cmh departure was climbing to FL270. I was busy elsewhere at the sector and did not catch the error at the time. ZOB called on a shout line; I picked up; and the controller on the line asked me what I wanted him to do with the cmh departure. While I was analyzing the situation; my radar controller picked up the line and took charge of the situation.

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Original NASA ASRS Text

Title: ZID ASSOC CTLR DESCRIBED OPERROR AT APPROX FL260 WHEN CTLR DESCENDED CVG ARR INTO DEP CLIMBING FROM CMH.

Narrative: I WAS WORKING SECTOR WHEN THE RADAR CTLR DSNDED A CVG ARR EARLY INTO THE PATH OF A CMH DEP; WHICH HAD A FLASH-THROUGH PROC FROM THE LOW SECTOR. THE CVG ARR WAS ASSIGNED FL260; AND THE CMH DEP WAS CLBING TO FL270. I WAS BUSY ELSEWHERE AT THE SECTOR AND DID NOT CATCH THE ERROR AT THE TIME. ZOB CALLED ON A SHOUT LINE; I PICKED UP; AND THE CTLR ON THE LINE ASKED ME WHAT I WANTED HIM TO DO WITH THE CMH DEP. WHILE I WAS ANALYZING THE SITUATION; MY RADAR CTLR PICKED UP THE LINE AND TOOK CHARGE OF THE SITUATION.

Data retrieved from NASA's ASRS site as of May 2009 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.