<< >> NASA ASRS Report 465293, February 2000

Radar controller climbed aircraft X through the altitude of aircraft Y, lost standard separation, resulting in an operational error.

Attributes
ACN	465293
Time
Date	200002
Day	Mon
Local Time Of Day	1801 To 2400
Place
State Reference	MD
Altitude	msl single value : 33000
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	MD-80 Series (DC-9-80) Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : enroute altitude change
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	A340
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 11
ASRS Report	465293
Person 2
Affiliation	government : faa
Function	controller : handoff position
Qualification	controller : radar pilot : instrument
Experience	controller radar : 17 controller time certified in position1 : 10 flight time total : 400
ASRS Report	464561
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation other anomaly other
Independent Detector	atc equipment : conflict alert atc equipment other atc equipment : edp aircraft equipment : tcas other controllera other controllerb
Resolutory Action	controller : issued new clearance flight crew : took evasive action none taken : insufficient time
Consequence	other
Miss Distance	horizontal : 22200 vertical : 1300
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

I climbed the MD80 from FL310 to FL350 and turned him 15 degrees left. When I saw the A340 was close, I issued 2 separate left turns to the A340. He didn't turn, said 'climbing for TCASII.' I further turned the MD80 who turned and descended for TCASII.

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Original NASA ASRS Text

Title: RADAR CTLR CLBED ACFT X THROUGH THE ALT OF ACFT Y, LOST STANDARD SEPARATION, RESULTING IN AN OPERROR.

Narrative: I CLBED THE MD80 FROM FL310 TO FL350 AND TURNED HIM 15 DEGS L. WHEN I SAW THE A340 WAS CLOSE, I ISSUED 2 SEPARATE L TURNS TO THE A340. HE DIDN'T TURN, SAID 'CLBING FOR TCASII.' I FURTHER TURNED THE MD80 WHO TURNED AND DSNDED FOR TCASII.

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.