Traffic conflict near knoxville, tn, in class a airspace.

Attributes
ACN	466161
Time
Date	200003
Day	Mon
Local Time Of Day	1201 To 1800
Place
State Reference	TN
Altitude	msl bound lower : 35000 msl bound upper : 36500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : ztl.artcc
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	other
Route In Use	enroute : direct
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : ztl.artcc
Operator	common carrier : air carrier
Make Model Name	B747 Undifferentiated or Other Model
Operating Under FAR Part	Part 129
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : flight engineer pilot : cfi
Experience	flight time last 90 days : 200 flight time total : 11000 flight time type : 5000
ASRS Report	466161
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 200 flight time total : 16000 flight time type : 8000
ASRS Report	466147
Events
Anomaly	altitude deviation : undershoot conflict : airborne critical non adherence : clearance non adherence : required legal separation
Independent Detector	aircraft equipment : tcas other controllera other flight crewa other flight crewb
Resolutory Action	controller : issued new clearance controller : separated traffic flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 2500 vertical : 200
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Pilot Deviation Operational Error

Narrative:

While level at assigned cruise altitude FL350, we heard ZTL issue several 'immediate' heading and altitude changes to several aircraft. Moments later, we were given an immediate left turn to 180 degrees (90 degree heading change) and climb to FL360 and if able FL370. The captain banked the aircraft approximately 45 degrees of bank (buffet encountered) and began a climb. At the time I was reading back the clearance, I got a visual on the aircraft (air carrier B747) and we were turning clear of the traffic. We received a TA on the TCASII but no RA. At FL365, I told center we didn't think we could make FL370 and they said to maintain FL360 and they would have a turn on course shortly. Once ZTL had the conflict under control we asked for a phone number so we could find out later what had happened. Center controller assumed responsibility for the situation. Apparently one of the aircraft involved had not done what the center controller had expected.

Original NASA ASRS Text

Title: TFC CONFLICT NEAR KNOXVILLE, TN, IN CLASS A AIRSPACE.

Narrative: WHILE LEVEL AT ASSIGNED CRUISE ALT FL350, WE HEARD ZTL ISSUE SEVERAL 'IMMEDIATE' HDG AND ALT CHANGES TO SEVERAL ACFT. MOMENTS LATER, WE WERE GIVEN AN IMMEDIATE L TURN TO 180 DEGS (90 DEG HDG CHANGE) AND CLB TO FL360 AND IF ABLE FL370. THE CAPT BANKED THE ACFT APPROX 45 DEGS OF BANK (BUFFET ENCOUNTERED) AND BEGAN A CLB. AT THE TIME I WAS READING BACK THE CLRNC, I GOT A VISUAL ON THE ACFT (ACR B747) AND WE WERE TURNING CLR OF THE TFC. WE RECEIVED A TA ON THE TCASII BUT NO RA. AT FL365, I TOLD CTR WE DIDN'T THINK WE COULD MAKE FL370 AND THEY SAID TO MAINTAIN FL360 AND THEY WOULD HAVE A TURN ON COURSE SHORTLY. ONCE ZTL HAD THE CONFLICT UNDER CTL WE ASKED FOR A PHONE NUMBER SO WE COULD FIND OUT LATER WHAT HAD HAPPENED. CTR CTLR ASSUMED RESPONSIBILITY FOR THE SIT. APPARENTLY ONE OF THE ACFT INVOLVED HAD NOT DONE WHAT THE CTR CTLR HAD EXPECTED.

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.